Hidden in the minerals and textures that make up rocks are clues about how and when they formed and were later altered. These changes can occur due to the presence of water-rich fluids and may also be influenced by biological ...
Planetary Sciences
Oct 31, 2022
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30
Two NASA spacecraft at Mars—one on the surface and the other in orbit—have recorded the biggest meteor strikes and impact craters yet.
Planetary Sciences
Oct 29, 2022
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25
NASA's InSight lander recorded a magnitude 4 marsquake last Dec. 24, but scientists learned only later the cause of that quake: a meteoroid strike estimated to be one of the biggest seen on Mars since NASA began exploring ...
Planetary Sciences
Oct 28, 2022
6
101
This complex region of craters and fractures in the Terra Sirenum region highlights the varied history of Mars. The image above was taken by ESA's Mars Express on 5 April 2022.
Planetary Sciences
Oct 26, 2022
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7
Curtin University researchers studying molecular fossils or "biomarkers" from deep beneath the Chicxulub impact crater have found evidence of how microorganisms changed in response to fluctuations in the Earth's climate, ...
Earth Sciences
Oct 21, 2022
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46
University of Canterbury (UC) postdoctoral researcher Dr. Leighton Watson (Ngāi Tahu), in collaboration with researchers at the Italian National Institute of Geophysics and Volcanology and Boise State University, has developed ...
Earth Sciences
Oct 20, 2022
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339
On Oct. 16, at 7:04 a.m. EDT, NASA's Lucy spacecraft, the first mission to the Jupiter Trojan asteroids, will skim the Earth's atmosphere, passing a mere 220 miles (350 kilometers) above the surface. By swinging past Earth ...
Space Exploration
Oct 13, 2022
4
178
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
When the Chelyabinsk fireball exploded across Russian skies in 2013, it littered Earth with a relatively uncommon type of meteorite. What makes the Chelyabinsk meteorites and others like them special is their dark veins, ...
Astronomy
Oct 4, 2022
0
130
The asteroid that got smacked by a NASA spacecraft is now being trailed by thousands of miles of debris from the impact.
Planetary Sciences
Oct 4, 2022
1
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