The stadium-sized asteroid 2020 XR is due to make its closest approach to Earth on record early on Dec. 4, and the encounter ...

The Voyager 1 spacecraft is functioning normally again after the aging probe’s dwindling power supply triggered a ...

The asteroid entered Earth's atmosphere at 11:15 a.m. ET over Yakutia in northeastern Siberia, creating a massive fireball.

Maruthi Akella, a professor at the University of Texas, has been honored with the naming of an asteroid located more than a ...

Sen.-elect Adam B. Schiff doesn't want to talk about President-elect Donald Trump. He wants to talk about fixing the ...

Camp Century was built in 1959 and advertised as a U.S. research site—but it also hosted a clandestine missile facility ...

The asteroids, named 447755 (2007 JX2) and (2020 XR), are each estimated to be roughly between 900 feet and 2,100 feet across ...

One of Uranus's moons likely has an ocean while the composition of the planet itself is more bizarre than we knew ...

Radar surveys occasionally show evidence of the base, lurking there like an environmental time bomb under the ice. But in ...

The asteroid, named 2024 WF5, will come over twice as close to us as the moon, at a distance of around 104,000 miles.

Curiosity has just finished the latest leg of its 12-year Mars mission and will now set out to explore miles of web-like ...

"It's an exciting time on the spacecraft, getting these key deployments done." NASA's Europa Clipper mission has successfully ...