The old joke about the dinosaurs going extinct because they didn't have a space program may be overselling the need for one.

Nuclear devices generate massive amounts of X-rays. A new experiment suggests that might be enough to divert a killer ...

The OSIRIS-REx curation team is a winner of the 2024 Gizmodo Science Fair for safeguarding pristine samples of an asteroid ...

Earth has a new “mini- moon ” after an asteroid has joined our orbit. The object, known as 2024 PT5, has been chasing after ...

New close-up images reveal the surprising snowman shape of "potentially hazardous" asteroid 2024 ON, which tumbled safely ...

Scientists have found nuclear weapons could actually help deflect an incoming cosmic impact — not by blowing an asteroid up, ...

A school-bus-sized asteroid is expected to spend about two months orbiting Earth as a "mini moon" as it gets temporarily ...

The internet has been buzzing about a so-called "mini-moon." Here's what we know about 2024 PT5 and if it will be visible.

Exploding a nuclear bomb above a huge asteroid could vaporize its surface using X-rays, pushing the space rock away from ...

There's a new moon on the horizon. The Earth will gain a second, mini-moon on Sept. 29, but it won't stick around too long.

The experiment recorded in nanosecond detail how a very large pulse of radiation from a nuclear blast could essentially ...

An asteroid is expected to swing by Earth and spend about two months orbiting the planet as it gets temporarily caught by Earth’s gravity. The space rock does not pose a threat to Earth.