Mars is thought to have had a watery past, but when exactly it transitioned to its dry and dusty present is up for debate. Now, though, a team of scientists studying the marks on a young Martian crater has found signs that ...
Space Exploration
Jun 24, 2015
8
1524
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
The farthest object ever explored is slowly revealing its secrets, as scientists piece together the puzzles of Ultima Thule – the Kuiper Belt object NASA's New Horizons spacecraft flew past on New Year's Day, four billion ...
Space Exploration
Mar 18, 2019
48
638
The presence of water on Mars has been theorized for centuries. Early telescopes revealed ice caps, and early astronomers noted channels that were hypothesized to be natural rivers or creature-created canals.
Space Exploration
Nov 5, 2018
4
411
In its search for signs of ancient microbial life on Mars, NASA's Perseverance rover is once again preparing to collect the first of many rock core samples that could eventually be brought to Earth for further study.
Planetary Sciences
Aug 26, 2021
1
1131
You don't name a sea creature after an ancient Greek warship unless it's built like a predator.
Archaeology
Aug 31, 2015
25
1426
A NASA glaciologist has discovered a possible second impact crater buried under more than a mile of ice in northwest Greenland.
Earth Sciences
Feb 11, 2019
17
4324
A paper published in Science in 2017 described hundreds of massive, kilometer-wide craters on the ocean floor in the Barents Sea. Today, more than 600 gas flares have been identified in and around these craters, releasing ...
Earth Sciences
Jun 5, 2020
48
1550
New research suggests that the very oldest pieces of rock on Earth—zircon crystals—are likely to have formed in the craters left by violent asteroid impacts that peppered our nascent planet, rather than via plate tectonics ...
Earth Sciences
Apr 28, 2016
8
1397
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
