named Theia, smashed into our planet and created the moon. This is why we have different seasons throughout the year. Interestingly, the simulations showed that regardless of where the asteroid ...

It was thought that a direct collision would have been too much, breaking the Earth and Theia apart, creating an asteroid belt between Venus and Mars. It was less than a decade ago that ...

The moon is thought to have formed about 4.5 billion years ago, likely resulting from a massive collision between Earth and a Mars-sized object called Theia. Although Earth only has one true ...

A NASA spacecraft recently got an up-close look at a strange peanut-shaped space rock floating through the cosmos in the main asteroid belt. Not to worry: Astronomers aren't interested in the ...

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, currently headed toward Jupiter on an asteroid-hopping mission, has captured an impressive close-up of its second target: the space rock 52246 Donaldjohanson. Lucy launched ...