When a large dinosaur-killing asteroid struck the Earth approximately 66 million years ago, the Chicxulub crater was formed.

An asteroid struck Mars 2.3 million years ago, throwing debris across a region of the planet equal to four times the length ...

The fear of the unknown is powerful. Dark matter, for example, is invisible to us, yet we can observe its effects, such as ...

Americans are thrilled by narratives of American collapse, so much so that we’re willing to see the same national symbols ...

There's evidence that the northern lowlands of Mars are the basin of a huge ocean that existed more than 3 billion years ago, ...

Volcanoes and asteroids and space junk, oh my! These disaster-movie events do happen in Canada. Just not very often ...