An asteroid that fell to Earth and exploded above Canada in 2022 was only around 20 inches wide — the smallest space rock ...

Scientists have found microorganisms crawling over a sample retrieved from the 200 million-mile-distant asteroid Ryugu. But ...

"The fact that terrestrial microbes are the Earth's best colonizers means we can never completely discount terrestrial ...

WB—is estimated to be between 240 and 525 feet across and will pass us at about twice the distance between the Earth and moon ...

A recent discovery made by scientists working with a sample of rock from outer space highlights one of the huge challenges ...

In How to Kill an Asteroid, Robin George Andrews looks at the successes and shortcomings of planetary defense.

Deep beneath Greenland's ice, NASA radar happened upon Camp Century, a long-lost Cold War base now buried under 100 feet of ...

Asteroid Ryugu was altered by water and contains organic molecules older than the Sun. The building blocks of RNA and Vitamin ...

Astronomers are gearing up to study an asteroid that will revisit Earth in 2025. It is about 33 feet wide and will come quite ...

See multiple views from the Hayabusa2 spacecraft's touching down on asteroid 162173 Ryugu. Credit: JAXA/U. Tokyo/Kochi ...

Astronomers used the Two-meter Twin Telescope to catch a "see-you-soon" image of the departing asteroid 2024 PT5.

Brian Hackney reports on the possible origins of Earth's recent "mini-moon" that is preparing to depart our orbit.