NASA has detected a strange, unidentified object orbiting the Sun, sparking intrigue and speculation across the scientific ...

Asteroid Donaldjohanson was the second destination on the NASA mission’s itinerary — and its size and shape were not what scientists expected.

"These early images of Donaldjohanson are again showing the tremendous capabilities of the Lucy spacecraft as an engine of ...

NASA's Lucy spacecraft has beamed back pictures from its latest asteroid flyby, revealing a long, lumpy, odd-shaped space ...

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