01 April 2019
First independent confirmation of methane on Mars
... a small burst of methane at a particular location within Gale Crater - a clay-laden depression suspected of being formed by flowing ... detection of methane in the Martian atmosphere above Gale Crater one day after the in situ observation of a methane...
12 June 2019
Mysterious mass found under Moon's South Pole
... side of the Moon is one of the largest known impact craters in the Solar System, and now scientists have found a mysterious...half a mile, is most likely a remnant of what created the crater in the first place; the iron-nickel core of an asteroid that...
28 October 2019
Hygiea asteroid could turn out to be the smallest dwarf planet yet
... astronomers observed Hygiea’s surface with a 95 percent coverage, they could only identify two unambiguous craters. “Neither of these two craters could have been caused by the impact that originated the Hygiea family of asteroids whose volume...
14 February 2020
Arrokoth helps resolve longstanding controversy on Solar System evolution
...stuck together. Meanwhile, while investigating Arrokoth’s smooth, lightly cratered surface, John Spencer, a project scientist on New ... the relative lack of impacts on the object’s body crater infers Arrokoth has a surface age of about 4 billion...
29 April 2020
Scientists discover ancient nitrogen-bearing organic material in martian meteorite
... reported the discovery of an intriguing group of organic compounds found by the Curiosity rover in dried-up mud in the Gale Crater. Because sediment patterns show that a lot of water was present, continually, over many millions of years in Gale...
22 November 2021
NASA's asteroid impact mission due to launch Wednesday
...the impact and material kicked up from the moonlet and will attempt to photograph the crater caused by the impact through the haze of any ejecta that may get in the...and its internal structure, as well as the size and shape of the crater left by DART.
