The six-mile-wide asteroid punched a one-way ticket toward extinction for all non-avian dinosaurs. Some 66 million years ...

A mission to survey the results of a deliberate crash between an asteroid and a NASA spacecraft has taken stunning images of ...

It came from outer space! In the early morning of June 30, 1908, people in the remote Tunguska region of Siberia beheld an ...

On the way to investigate the scene of a historic asteroid collision, a spacecraft swung by Mars and captured rare images of ...

Once, a very long time ago, a massive asteroid hit the Earth and wiped out the dinosaurs. In addition to functionally ...

A weak magnetic field likely attracted matter inward, contributing to the formation of the outer planetary bodies, from ...

The space rock, which measures 150 feet across and is traveling at 38,922 miles per hour, is one of five on NASA's radar.

Buried "megaripples" — some the size of five-story buildings — are helping scientists piece together the devastation ...

New simulations reveal that the climate, atmospheric chemistry and even global photosynthesis would be dramatically disrupted by an asteroid collision ...

Europe's HERA mission has taken a good look at Mars and its moon Deimos on its way to explore the aftermath of the DART ...

A privately built spacecraft is tumbling aimlessly in deep space, with little hope of being able to contact its home planet.

The Hera probe has swung around Mars, using the planet’s gravitational pull to fling itself toward its asteroid target. During its brief rendezvous with the Red Planet, Hera caught a glimpse of the ...