Research

Venus - volcanically active Solar System body?

Scientists working for the ESA's Venus Express mission have recently presented the best evidence yet for existence of active volcanoes on planet Venus. Previous radar missions have revealed Venus to be covered in volcanoes and lava flows and it is long assumed that

July 01, 2015

UK Met Office: The return of 'grand solar minimum' could affect European and eastern US winters, but wouldn't halt global warming

A return to low solar activity not seen for centuries could increase the chances of cold winters in Europe and eastern parts of the United States but wouldn't halt global warming, according to new research led by UK's Met office and published recently in Nature

June 26, 2015

Earth's magnetic complexity begins to untangle - Swarm mission

After a year in orbit, the three Swarm satellites have provided a first glimpse inside Earth and started to shed new light on the dynamics of the upper atmosphere – all the way from the ionosphere about 100 km above, through to the outer reaches of our protective

June 22, 2015

Stalagmites preserve 3 000 years of northern hemisphere climate

If you have ever visited a cave and taken photos, you might have noticed that the colours in the photographs appear more vivid than when you were in the cave. This is because organic matter trapped in the stalagmites and stalactites fluoresces.The light emitted by your

June 19, 2015

US mid-continent seismicity linked to high-rate injection wells

A dramatic increase in the rate of earthquakes in the central and eastern US since 2009 is associated with fluid injection wells used in oil and gas development, says a new study by the University of Colorado Boulder and the USGS.The number of earthquakes associated wit

June 19, 2015

Deepest known high-temperature hydrothermal vents in Pacific Ocean

Monterey Bay Aquarium Research Institute (MBARI) researchers have discovered a large, previously unknown field of hydrothermal vents in the Gulf of California, about 150 km (100 miles) east of La Paz, Mexico. Discovered in the spring of 2015 and lying more than 3 800 me

June 09, 2015

Tectonic model shows North America may once have been linked to Australia or Antarctica

According to the new USGS research published recently in Lithosphere, North America may have once been attached to Australia.Approximately every 300 million years, the Earth completes a supercontinent cycle wherein continents drift toward one another and collide, remain

June 08, 2015

Rare glimpse: satellites catch the birth of two volcanic islands

The birth of a volcanic island is a potent and beautiful reminder of our dynamic planet’s ability to make new land. Given the destruction we’ve seen following natural events like earthquakes and tsunamis in the past few years, stunning images of two islands

May 28, 2015

Clouds in 3D: Innovation makes stereophotogrammetry a common thing

Berkeley Lab scientists David Romps and Rusen Oktem made advancements in stereophotogrammetry, a technique which uses photos to make 3D measurements of cloud boundaries, transforming it from labor-intensive process to a tool that can now be used on a regular basis. Impr

May 28, 2015

‘Dead zones’ found in Atlantic open waters

A team of German and Canadian researchers have discovered areas with extremely low levels of oxygen in the tropical North Atlantic, several hundred kilometres off the coast of West Africa. The levels measured in these ‘dead zones’, inhabitable for most

May 15, 2015

New trigger for volcanic eruptions discovered using jelly and lasers

Scientists have made an important step towards understanding how volcanic eruptions happen, after identifying a previously unrecognised potential trigger.An international team of researchers from the University of Liverpool, Monash University and the University of

May 14, 2015

Study shows Antarctic ice shelf is thinning from above and below

A decade-long scientific debate about what’s causing the thinning of one of Antarctica’s largest ice shelves has now been settled, European Geosciences Union (EGU) reports. The Larsen C Ice Shelf – whose neighbours Larsen A and B collapsed in 1995 and

May 14, 2015

What are the chances of another Hurricane "Katrina"?

The US hasn’t experienced the landfall of a Category 3 hurricane or larger since 2005, when Dennis, Katrina, Rita and Wilma all hit the US coast. According to a new NASA study, a string of nine years without a major hurricane landfall in the US is Iikely to come a

May 14, 2015

Two Large Hadron Collider experiments first to observe rare subatomic process

Two experiments at the Large Hadron Collider at the European Organization for Nuclear Research (CERN) in Geneva, Switzerland, have combined their results and observed a previously unseen subatomic process.As published in the journal Nature this week, a joint analysis by

May 14, 2015

SurgeWatch: UK launches new national database of coastal flooding

Researchers led by the University of Southampton have compiled a new database of coastal flooding in the UK over the last 100 years, which they hope will provide crucial information to help prevent future flooding events.The new database is available as web application

May 12, 2015

Western Australia isn't as tectonically stable as previously thought

An analysis of Western Australia's coastline suggest its landscape isn't as tectonically stable as previously thought. University of Western Australia geohazards researcher Beau Whitney says tectonic movement in Australia is generally assumed to be so low that

May 04, 2015

Is the universe a hologram?

Describing the universe requires fewer dimensions than we might think. New calculations show that this may not just be a mathematical trick, but a fundamental feature of space itself. At first glance, there is not the slightest doubt: to us, the universe looks three dim

May 03, 2015

Discovered deep under Antarctic surface: Extensive, salty aquifer and potentially vast microbial habitat

Using a novel, helicopter-borne sensor to penetrate the surface of large swathes of terrain, a team of researchers supported by the National Science Foundation (NSF) has gathered compelling evidence that beneath Antarctica's ice-free McMurdo Dry Valleys lies a salty

April 30, 2015

Huge magma chamber discovered deep beneath the Yellowstone supervolcano

A team of University of Utah seismologists discovered and made images of a reservoir of hot, partly molten rock about 19 to 45 km (12 to 28 miles) beneath the Yellowstone supervolcano, and it is 4.4 times larger than the shallower, long-known magma chamber.The hot rock

April 24, 2015

Exploding stars help to understand thunderclouds on Earth

How is lightning initiated in thunderclouds? This is difficult to answer - how do you measure electric fields inside large, dangerously charged clouds? It was discovered, more or less by coincidence, that cosmic rays provide suitable probes to measure electric fields wi

April 23, 2015

International experts analyze impacts of Ethiopian dam

According to present plans, the Grand Ethiopian Renaissance Dam (GERD) — now under construction across the Blue Nile River in Ethiopia — will be the largest hydroelectric dam in Africa, and one of the 12 largest in the world. But controversy has surrounded t

April 22, 2015

Mars might have liquid water

Researchers have long known that there was water in the form of ice on Mars. Now, new research from NASA’s Mars rover Curiosity shows that it is possible that there is liquid water close to the surface of Mars. The explanation is that the substance perchlorate

April 22, 2015

Scientists identify missing wave near Jupiter’s equator

In the clouds of Jupiter, scientists have found evidence of a type of atmospheric wave that had long been proposed but had not been identified in images before now.Researchers consider this kind of wave, called a Kelvin wave, a fundamental part of a planetary atmosphere

April 19, 2015

What happens when a missile or meteor hits

When a missile or meteor strikes the earth, the havoc above ground is obvious, but the details of what happens below ground are harder to see.Duke University physicists have developed techniques that enable them to simulate high-speed impacts in artificial soil and sand

April 19, 2015

Fragment of continental crust found under south east Iceland

An international team, including researchers at the University of Liverpool, have shown that south east Iceland is underlain by continental crust.The team found that the accepted theory, that Iceland consists only of very thick oceanic crust, is incorrect. Maps of crust

April 14, 2015

Unexplained warm layer discovered in Venus’ atmosphere

A group of Russian, European and American scientists have found a warm layer in Venus’ atmosphere, the nature of which is still unknown. The researchers made the discovery when compiling a temperature map of the upper atmosphere on the planet’s night side ba

March 26, 2015

Landmark study proves magnets can control heat and sound

Scientists from the The Ohio State University have discovered how to control heat with a magnetic field and presented their findings in the March 23 issue of the journal Nature Materials. The study is the first ever to prove that acoustic phonons - the elemental particl

March 25, 2015

World's largest asteroid impacts found in central Australia

A 400 km-wide impact zone from a huge meteorite that broke in two moments before it slammed into the Earth has been found in central Australia. The crater from the impact millions of years ago has long disappeared, but a team of geophysicists has found the twin scars of

March 23, 2015

Rosetta makes first detection of molecular nitrogen at a comet

ESA's Rosetta spacecraft has made the first measurement of molecular nitrogen at a comet, providing clues about the temperature environment in which Comet 67P/Churyumov-Gerasimenko formed, the agency reports.The in situ detection of molecular nitrogen has long been

March 20, 2015

Massive amounts of fresh water, glacial melt pouring into Gulf of Alaska

Incessant mountain rain, snow and melting glaciers in a comparatively small region of land that hugs the southern Alaska coast and empties fresh water into the Gulf of Alaska would create the sixth largest coastal river in the world if it emerged as a single stream, a r

March 20, 2015

New study reveals widespread risk of infectious diseases to wild bees

Researchers have discovered a network of viruses, which were previously associated with managed honeybees, may now pose a widespread risk to bumblebees in the wild, according to a new study published today in the Journal of Animal Ecology.The study revealed multiple int

March 04, 2015

Astronomers find newborn stars at the edge of the Milky Way galaxy

A team of Brazilian astronomers led by Denilso Camargo of the Federal University of Rio Grande do Sul have made a remarkable discovery, a cluster of stars forming on the very edge of the Milky Way galaxy. This is the first time astronomers have found stars being born

February 27, 2015

A new view of the Solar System: astrophysical jets driven by the Sun

As the sun skims through the galaxy, it flings out charged particles in a stream of plasma called the solar wind, and the solar wind creates a bubble extending far outside the solar system known as the heliosphere. For decades, scientists have visualized the heliosphere

February 20, 2015

8 million tons of new plastic waste enters our oceans each year

Plastic debris in the marine environment is well known and widely documented, but the quantity of plastic making its way into the world’s oceans and from where it originates has been a mystery until now.A new study published today in the journal Science, quantifie

February 13, 2015

Earth's surprise inside: Geologists unlock mysteries of the planet's inner core

Seismic waves are helping scientists to plumb the world’s deepest mystery: the planet’s inner core.Thanks to a novel application of earthquake-reading technology, a research team at the University of Illinois and colleagues at Nanjing University in China hav

February 11, 2015