Research

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

50 years of data shows US Midwest flooding more frequent

The US Midwest and surrounding states have endured increasingly more frequent flood episodes over the past half-century, according to a new study by scientists from the University of Iowa.The UI researchers based their findings on daily records collected by the USGS at

February 10, 2015

Sun's activity in 18th century was similar to that now

Counting sunspots over time helps in knowing the activity of our star but the two indices used by scientists disagree on dates prior to 1885. Now an international team of researchers has tried to standardise the historical results and has discovered that, contrary to wh

February 10, 2015

Landmark study links pesticides to high depression rates

Globally, one person dies by suicide roughly every 40 seconds. Around the world, over one million people commit suicide each year - an increase of 60 percent over the last four and a half decades. Incredibly, farmers have one of the highest rates of self-inflicted death

February 06, 2015

Mercury concentrations in Hawaiian yellowfin tuna increasing

Mercury concentrations in Hawaiian yellowfin tuna are increasing at a rate of 3.8 percent or more per year, according to a new University of Michigan-led study that suggests rising atmospheric levels of the toxic substance are to blame. Mercury is a toxic trace metal th

February 05, 2015

Planetary scientists predict Earth-like planets around most stars

Planetary scientists have calculated that there are hundreds of billions of Earth-like planets in our galaxy which might support life. The new research, led by PhD student Tim Bovaird and Associate Professor Charley Lineweaver from The Australian National University (AN

February 05, 2015

Insight into behavior of African monsoon

Between 14 800 and 5 500 years ago, during a period known as the "African Humid Period", Sahara was characterized by lush, green vegetation and a network of lakes, rivers and deltas. Why and how it ended is the subject of scientific study that holds important

February 03, 2015

Galactic ‘hailstorm’ in the early Universe

Astronomers have been able to peer back to the young Universe to determine how quasars – powered by supermassive black holes with the mass of a billion suns – form and shape the evolution of galaxies. Two teams of astronomers led by researchers at the

January 31, 2015

M-TeX and MIST experiments launched into auroras

The interaction of solar winds and Earth’s atmosphere produces northern lights, but to scientists this interaction is more than a light display. It produces many questions about the role it plays in Earth’s meteorological processes and the impact on the plan

January 29, 2015

Missing link in metal physics explains Earth’s magnetic field

Earth’s magnetic field is crucial for our existence, as it shields the life on our planet’s surface from deadly cosmic rays. It is generated by turbulent motions of liquid iron in Earth’s core. Iron is a metal, which means it can easily conduct a flow

January 29, 2015

Historical hydraulic fracturing trends and data unveiled in new USGS publications

Two new U.S. Geological Survey publications that highlight historical hydraulic fracturing trends and data from 1947 to 2010 are now available.Hydraulic fracturing is presently the primary stimulation technique for oil and gas production in unconventional resource reser

January 29, 2015

Long series of droughts doomed Mexican city 1000 years ago

Archaeologists continue to debate the reasons for the collapse of many Central American cities and states, from Teotihuacan in Mexico to the Yucatan Maya, and climate change is considered one of the major causes.A University of California, Berkeley, study sheds new ligh

January 28, 2015

The winners and losers of ocean acidification

The population balance of some marine ‘pests’ could be drastically changed as the world’s oceans become increasingly acidic.Populations of certain types of marine organisms known collectively as the ‘biofouling community’ – tiny

January 28, 2015

New climate change projections for Australia

CSIRO and the Bureau of Meteorology released climate change projections for Australia that provide updated national and regional information on how the climate may change to the end of the 21st century.The projections are the most comprehensive ever released for Austral

January 28, 2015

Swarm of scientific microprobes to the clouds of Jupiter in 2030

A swarm of tiny probes each equipped with a different sensor could be fired into the clouds of Jupiter and grab data as they fall before burning up in the gas giant planet's atmosphere, according to a recently presented concept in International Journal of Space Scie

January 26, 2015

A 3D view of the age and structure of the Greenland Ice Sheet

Scientists using ice-penetrating radar data collected by NASA’s Operation IceBridge and earlier airborne campaigns have built the first-ever comprehensive map of layers deep inside the Greenland Ice Sheet. This new map allows scientists to determine the age of lar

January 23, 2015

Patterns that led to collapse of wildlife populations on land now occurring in oceans

University of Santa Barbara researchers reviewed the past, present and future of marine animal life in a new study titled „Marine defaunation: Animal loss in the global ocean". Consortium of scientists, found that the same patterns that led to the collapse o

January 22, 2015

South Pole Ice Core project - digging 40 000 years into climate history of South Pole

South Pole Ice Core (SPICE) project is a joint effort by researchers from the University of Washington and the University of California, Irvine to 'dig' 40 000 years into climate history at the planet's southernmost tip. The ice core will be drilled to a dep

January 22, 2015

Fast radio burst from a distant source captured in real-time

A short, sharp flash of radio waves from a mysterious source up to 5.5 billion light years from Earth has been detected in real-time by CSIRO’s Parkes radio telescope in eastern Australia. Swinburne University of Technology PhD student, Emily Petroff,

January 19, 2015