The Lucy spacecraft will observe the asteroid Donaldjohanson on Sunday afternoon, before it moves on to study a handful of ...

NASA's Lucy will venture as close as 596 miles to this asteroid, an estimated 2 ½ miles in length but much shorter in width. Scientists should have a better idea of its size and shape following the ...

Astronomers have found thousands of exoplanets — worlds beyond our solar system. Most of them are in single-star systems, ...

If future Mars colonizers want to survive without pressure suits, they’ll need to generate a denser atmosphere. One way to ...

A group of comets with unexplained movements presents a quandary D avide Farnocchia hunts down and tracks asteroids, and ...

The Southwest Research Institute-led Lucy mission is preparing to survey the next target in its epic 4-billion-mile, 12-year, 11-asteroid tour. On April 20, 2025, NASA’s Lucy spacecraft will fly past ...

NASA's Lucy spacecraft is six days and less than 50 million miles (80 million km) away from its second close encounter with ...

The type of meteorites that could have been crucial to the origins of life are very rare, but the asteroids they come from are common. Astronomers have long had an explanation for this paradox, but ...

This is a still from an animation showing asteroid 2024 YR4 as it passes by Earth and heads toward its potential impact with the Moon. This 3D shape of the asteroid was determined from data obtained ...

2024 YR4 hails from the middle of the main asteroid belt that hangs out between the orbits of Mars and Jupiter – and it was ...

A “city-killer” space rock headed for a potential collision with the Moon likely originated in the asteroid belt near Jupiter ...