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Super-Earths draw asteroids to other worlds, which may seed life

Super-Earths draw asteroids to other worlds, which may seed life

26 September 2017

Asteroid collisions can be destructive – just ask the dinosaurs – but they also bring key ingredients for life. Super-Earths can draw them to nearby worlds
Huge space rocks could have helped start Earth’s plate tectonics

Huge space rocks could have helped start Earth’s plate tectonics

25 September 2017

Nobody knows how or why plate tectonics got started on Earth. But new evidence suggest collisions with space rocks millions of years ago may have something to do with it
People search for survivors in a collapsed building in the Roma neighborhood of Mexico City

There is no way to spot big earthquakes ahead of time

21 September 2017

Large earthquakes look just like small ones when they start out, so early warning systems have no clues to help figure out if a quake is going to be huge

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