Four huge asteroids — and a fifth that's much smaller — are passing Earth on Thursday in their closest approaches to the ...

Saturn has finally joined the solar system's other giant planets in possessing a Trojan asteroid, but it may have stolen it.

Four enormous asteroids, including one with the potential to wipe out an entire city off the map, are making a close flyby of ...

A gigantic space rock that slammed into Earth more than three billion years ago grievously wounded the biosphere—and then ...

The European Space Agency has taken the first big steps toward rendezvousing with the infamous asteroid Apophis during its ...

A city-sized asteroid is approaching Earth this October, set to make its closest approach on October 27. Known as 1036 ...

Further study, together with the magnetic and gravity data, confirmed the site as an impact event, named for the nearby ...

Data from the OSIRIS-REx mission to Bennu place a ceiling on the strength of a hypothetical fifth force that could explain dark matter’s origins.

NASA has announced that an airplane-sized “city killer” asteroid will skim past Earth today — one of four “hazardous” space rocks to graze our orbit in less than 12 hours. Dubbed 2002 NV16, the cosmic ...

The Hera spacecraft successfully launched toward the asteroids Didymos and Dimorphos on Oct. 7, meant to follow up on NASA's ...

ESA's Hera spacecraft captured farewell views of Earth and the moon as it sails away into space to investigate the asteroid ...

The meteor’s impact triggered a cascade of effects. It kicked up so much dust that the sky darkened. As the sun dimmed, ...