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

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 ...

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

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

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

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

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

What if I told you there’s an asteroid worth more than the entire world’s economy? Meet 16 Psyche, a space rock made almost ...

Could a giant planet between Mars and Jupiter have doomed Earth? A new study suggests that small changes would have been ...

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

GRAND FORKS, ND — Astronomers have turned their high-powered telescopes toward a 100-meter wide asteroid hurtling in its orbit through the Milky Way galaxy and are hoping it doesn’t collide wi ...