Lowell Observatory astronomer and asteroid expert Nick Moskovitz said we know little about this asteroid coming by so close ...

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 ...

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

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

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

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

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

Last year, researchers excitedly announced that they had found two organic compounds essential for living organisms in ...

After almost two months of companionship, Earth has just lost its “mini-moon.” On Monday, the asteroid dubbed 2024 PT5 was ...

Computer simulations suggest that Mars' puzzling moons, Phobos and Deimos, may have been formed from debris created when a ...

Earth is parting company with an asteroid that's been tagging along as a “mini moon" for the past two months. The harmless ...

A chunk of rock collected from the asteroid Ryugu contains bacteria—but, unfortunately, it's not evidence of alien life.