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

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

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

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

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

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

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

NASA scientists found Camp Century, an abandoned Cold War military base, during a flight to map the Greenland Ice Sheet.

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

As it turns out, this abandoned "secret city" was the site of a secret Cold War project known as Project Iceworm which called ...

Pumping groundwater appears to have a greater consequence than ever previously thought. But now—thanks to a study published ...

Scientists now have a clearer picture of Camp Century, an abandoned U.S. military base long hidden under the ice in Greenland ...