A Chilean space telescope has captured striking images of YR4 2024, the “city-killer” asteroid that’s potentially on a collision course with Earth. “Only a few asteroids have been studied ...

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 ...

The moon will turn blood red overnight on Thursday and Friday during the 'Blood Moon' total lunar eclipse. How can you tell ...

Space agencies have systems in place to spot, track, and forecast the future orbits of potentially hazardous asteroids.

Lucy is preparing for a close encounter with the asteroid Donaldjohanson, a key milestone before its groundbreaking journey ...

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

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

A White House science advisor recently war-gamed with space agency heads worldwide to devise a planet-saving defense to an ...

Here are today's general risks from asteroids or comets both tiny and very large. Importantly, even relatively small rocks can still be threatening, as the surprise 56-foot (17-meter) rock that ...

Sensational "city killer" headlines aside, NASA and the European Space Agency reported the asteroid "has a very small chance" of Earth impact.