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
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Evidence that catastrophic geological events could have created evolutionary bottlenecks that changed the course of life on Earth may be buried within ancient rocks beneath our feet.
Astronomy
Oct 16, 2018
0
216
For Asteroid Day, the Copernicus Sentinel-2A satellite takes us over the Gosses Bluff crater in the Northern Territory of Australia. The crater is visible in the left centre of the image and it is about 22 km in diameter. ...
Space Exploration
Jun 29, 2018
0
6
A Japanese probe has reached an asteroid 300 million kilometres away to collect information about the birth of the solar system and the origin of life after a more than three-year voyage through deep space.
Space Exploration
Jun 27, 2018
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Our planet has had a few close encounters with asteroids of late.
Earth Sciences
Apr 11, 2018
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27
Some experts have long believed that a massive asteroid was a primary cause of dinosaurs' extinction some 65 million years ago, but new analysis from a University at Albany psychology professor suggests that the dinosaurs ...
Archaeology
Apr 4, 2018
14
302
For the first time, NASA will use an actual space rock for a tabletop exercise simulating an asteroid impact in a densely populated area. The asteroid, named 2012 TC4, does not pose a threat to Earth, but NASA is using it ...
Space Exploration
Jul 28, 2017
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11
Scientists have spent decades debating whether asteroids and comets hit the Earth at regular intervals. At the same time, a few studies have found evidence that the large extinction events on Earth – such as the one that ...
Space Exploration
Jun 22, 2017
12
73
If an asteroid struck Earth, which of its effects—scorching heat, flying debris, towering tsunamis—would claim the most lives? A new study has the answer: violent winds and shock waves are the most dangerous effects produced ...
Earth Sciences
Apr 19, 2017
0
240
What would we do if we discovered a large asteroid on course to impact Earth? While highly unlikely, that was the high-consequence scenario discussed by attendees at an Oct. 25 NASA-FEMA tabletop exercise in El Segundo, California.
Space Exploration
Nov 7, 2016
0
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