The first scientific analysis of images taken by NASA's Perseverance rover has now confirmed that Mars' Jezero crater—which today is a dry, wind-eroded depression—was once a quiet lake, fed steadily by a small river some ...
Planetary Sciences
Oct 7, 2021
15
14393
On Earth, river erosion is usually a slow-going process. But on Mars, massive floods from overflowing crater lakes had an outsized role in shaping the Martian surface, carving deep chasms and moving vast amounts of sediment, ...
Planetary Sciences
Sep 29, 2021
3
276
A long-lasting lake on ancient Mars provided stable environmental conditions that differed significantly from one part of the lake to another, according to a comprehensive look at findings from the first three-and-a-half ...
Space Exploration
Jun 1, 2017
2
2022
Scientists have found evidence that there was once an ancient lake on Mars that may have been able to support life, in research published today in the journal Science.
Space Exploration
Dec 9, 2013
22
0
If life ever existed on Mars, the Perseverance rover's verification of lake sediments at the base of the Jezero crater reinforces the hope that traces might be found in the crater.
Astrobiology
Jan 26, 2024
10
119
The evolution of a new species by hybridization from two already described species without a change in chromosome number is very rare in the animal kingdom. So far, only a few accepted empirical examples exist for this spontaneous ...
Evolution
Oct 11, 2022
0
213
For the past year, NASA's Curiosity Mars rover has been traveling through a transition zone from a clay-rich region to one filled with a salty mineral called sulfate. While the science team targeted the clay-rich region and ...
Planetary Sciences
Jun 22, 2022
1
637
A new study led by Florida Tech recommends rewilding an island in the Galapagos with tortoises and rare plants to recreate an ecosystem irreparably damaged by whalers.
Ecology
Jun 7, 2022
0
151
The reappearance of a lava lake in the crater of the Nyiragongo volcano in eastern DR Congo is a good sign, experts said Sunday, four months after a major eruption killed 32 people.
Environment
Sep 26, 2021
0
262
NASA's Mars 2020 Perseverance rover has begun its search for signs of ancient life on the Red Planet. Flexing its 7-foot (2-meter) mechanical arm, the rover is testing the sensitive detectors it carries, capturing their first ...
Planetary Sciences
Jul 20, 2021
3
988
