Four and a half billion years ago, a planet named Theia slammed into the early Earth — a cosmic catastrophe that forged the Moon and reshaped our world forever.

A devastating meteorite strike over three billion years ago may have been just what early life needed to thrive. While it’s easy to imagine such a collision as purely destructive, new research ...

A planetary collision between Uranus and Earth would trigger a cosmic catastrophe unlike anything the solar system has ever seen. This video breaks down the physics behind such a scenario—analyzing ...

The universe is full of spectacular and violent events, but few are more dramatic than a black hole tearing apart a star. Now, thanks to advanced computer simulations, scientists have gotten their ...

NASA's K2 mission finds evidence of dead star vaporizing a mini planet. An artist's rendition shows what a cosmic catastrophe concerning Earth could look like. CfA/Mark A. Garlick — -- A world in ...

A neutron star's final moments may spark violent starquakes, monster shock waves, and even a fleeting, never-before-seen object called a black hole pulsar. The universe is full of spectacular and ...