Highly-detailed images reveal evidence of ancient rivers on Mars

Highly-detailed images reveal evidence of ancient rivers on Mars

A high-resolution satellite has captured detailed images of a rocky cliff on Mars, revealing the first evidence of ancient rivers that existed for more than 100 000 years on the surface of the planet, 3.7 billion years ago. The international team of scientists used…

Siding Spring’s flyby effects on Martian atmosphere revealed

Siding Spring’s flyby effects on Martian atmosphere revealed

Two NASA and one European spacecraft that obtained the first up-close observations of a comet flyby of Mars on October 19, 2014 have gathered new information about the basic properties of the comet’s nucleus and directly detected the effects on the Martian atmosph

Mars bombarded by more than 200 asteroids per year

Mars bombarded by more than 200 asteroids per year

With the help of images acquired by NASA's Mars Reconnaissance Orbiter, scientists have estimated that the Red Planet is bombarded by more than 200 small asteroids or fragments of comets every year which form craters at least 3.9 meters wide. During the past