The results of Hera's fly-by could ultimately tell us whether Deimos is a captured asteroid or made from debris from a giant ...

YR4, which orbits the sun every four years and periodically crosses Earth's orbit. The nature of its orbit makes it a ...

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

The Red Planet and its tiny moon Deimos were recorded at a very near distance as the asteroid-chasing spacecraft completed a flyby on Wednesday.

For an hour, HERA flew as close as 5,600 kilometers from the Martian surface, at a speed of 33,480 kilometers an hour. It ...

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

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

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 ...

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

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

YR4 became the highest-rated asteroid predicted to strike Earth, and although predictions for impact have lowered, not enough ...