What are some of the largest extraterrestrial impacts to effect Earth? Learn what we’ve seen in history, and what is ...

The Vredefort crater in South Africa ... Thomas Davison of Imperial College London ran computer simulations of an asteroid 7 kilometers wide crashing into an ice-covered Earth at 17 kilometers ...

The asteroid that created this crater unleashed energy billions of times more powerful than atomic bombs, resulting in dramatic climate shifts. The Vredefort crater, located in South Africa, holds the ...

Formed more than 2 billion years ago by the impact of a city-sized asteroid, Vredefort originally measured some 300 km across. It’s just too big for human beings to fathom. Even from the air or from ...

In comparison, the next-oldest crater site in the world, the Vredefort crater in South Africa ... “Our models show that if the Yarrabubba asteroid hit an ice sheet five kilometers thick… more than 200 ...

CAPE CANAVERAL, Fla. (AP) — NASA’s Lucy spacecraft will swoop past a small asteroid this weekend as it makes its way to an even bigger prize: the unexplored swarms of asteroids out near Jupiter.

NASA's Lucy spacecraft will swoop past a small asteroid this weekend as it makes its way to an even bigger prize: the unexplored swarms of asteroids near Jupiter. It will be the second asteroid ...

Easter Sunday certainly hasn't been a day of rest for the astronomy community. All eyes are on NASA's asteroid-studying Lucy spacecraft, which should have had a close space rock encounter at 1:51 ...

NASA's Lucy spacecraft will swoop past a small asteroid this weekend as it makes its way to an even bigger prize: the unexplored swarms of asteroids out near Jupiter. It will be the second ...