A clever use of non-science engineering data from NASA's Mars rover Curiosity has let a team of researchers, including an Arizona State University graduate student, measure the density of rock layers in 96-mile-wide Gale ...
Space Exploration
Jan 31, 2019
4
423
An international team of scientists is challenging our understanding of a part of Earth's history by looking at the Moon, the most complete and accessible chronicle of the asteroid collisions that carved our solar system.
Space Exploration
Jan 17, 2019
8
333
A survey of ice in Greenland has uncovered evidence suggesting a kilometer-wide iron asteroid slammed into that island, perhaps as recently as 12,000 years ago during the end of the Pleistocene. The resulting 19-mile-wide ...
Earth Sciences
Nov 14, 2018
17
1930
Sixty-six million years ago, an asteroid the size of a small city smashed into the earth. This impact, the one that would lead to the end of the dinosaurs, left a scar several miles underground and more than 115 miles wide.
Earth Sciences
Oct 24, 2018
6
109
NASA's Curiosity rover has found new evidence preserved in rocks on Mars that suggests the planet could have supported ancient life, as well as new evidence in the Martian atmosphere that relates to the search for current ...
Space Exploration
Jun 7, 2018
32
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About 66 million years ago, an asteroid smashed into Earth, triggering a mass extinction that ended the reign of the dinosaurs and snuffed out 75 percent of life.
Earth Sciences
May 30, 2018
1
198
Observations of Ceres have detected recent variations in its surface, revealing that the only dwarf planet in the inner solar system is a dynamic body that continues to evolve and change.
Space Exploration
Mar 15, 2018
2
199
In a drying time, Mars may have been kept warm enough for liquid water to remain stable on the surface thanks to explosive bursts of methane gas, a new study finds.
Space Exploration
Oct 3, 2017
1
273
The scorching hot surface of Mercury seems like an unlikely place to find ice, but research over the past three decades has suggested that water is frozen on the first rock from the sun, hidden away on crater floors that ...
Space Exploration
Sep 19, 2017
1
142
An international team of researchers has found evidence of an ancient meteorite colliding with ground rock on Earth, producing the highest temperature ever recorded on the planet's surface. In their paper published in the ...
