Space debris grows rapidly, threatening satellites and future missions if cleanup efforts don't intensify now.

One of the common misconceptions about black holes is that they devour not only matter, but also the history of that matter.

More than 130 million pieces of space debris orbit Earth. If just one piece collides with a spacecraft, it can disrupt ...

A dramatic cosmic event is winding up to occur right in our backyard. Astronomers have spotted a pair of stars bound for ...

YR4, it appeared, was heading for Earth but more data recorded by the Webb Space Telescope has offered new information about ...

A “city-killer” asteroid previously thought to be on a collision course with the Earth could smash into the Moon instead, new ...

One of the most studied space rocks of all time has given scientists another big surprise, with the "mudball meteorite" Aguas ...

The NEO Surveyor fulfills a 2005 act of Congress ordering NASA to catalog 90% of near-Earth objects larger than 459 feet, ...

head of the European Space Agency's planetary defence office, says, adding the collision could be "valuable for planetary defense purposes".