Recent flybys of the fiery world refute a leading theory of its inner structure — and reveal how little is understood about ...

This week, dual escalations in Yemen and Ukraine raises sharp questions about America’s strategic priorities and its ability ...

Imagine you’re on the moon, digging up lunar regolith. You’re focused on the task at hand when you suddenly slip and fall, right into your pickaxe. Even in the moon’s weaker gravitational field, ...

NASA’s Lucy spacecraft has captured striking images of asteroid Donaldjohanson, revealing it to be a contact binary with an ...

The close-up views of asteroid Donaldjohanson are a preview of what’s to come for Lucy on its 12-year quest to study Jupiter’s Trojan asteroids ...

NASA's Lucy spacecraft recently got an up-close look at a strange peanut-shaped space rock floating through the cosmos in the ...

NASA’s Lucy spacecraft captured the most detailed images yet of an oddly shaped asteroid during its recent flyby.

Asteroid Donaldjohanson has turned out to be a picturesque waypoint as NASA’s mission heads toward Jupiter’s Trojan asteroids ...

Asteroid Donaldjohanson has turned out to be a picturesque waypoint as NASA’s mission heads toward Jupiter’s Trojan asteroids ...

NASA's Lucy spacecraft flew about 600 miles above an asteroid named Donaldjohanson on Easter Sunday sending back the first ...

NASA’s space-faring probe Lucy is set have a close encounter with an oddly shaped asteroid more than 100 million miles from ...