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

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

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

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 ...

Like our moon, Deimos is tidally locked to Mars, meaning the same side always faces the planet—the only side visible to ...

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

Other “harbingers of doom” in 2025 will include two ‘blood moons,’ a potential fire in the northern sky and a sudden ...

Dinosaurs are the extinct relatives of birds that roamed the lands and seas of ancient Earth. They first appeared around 240 ...

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 ...

Once the new measurements were taken and the math was done, the probability of YR4 hitting the Earth began to decline, ...

A space probe named Hera captured images of Mars' small Deimos moon while on a mission to examine an asteroid.