Bennu has a diameter of roughly 500 meters (1,640 feet) and has a 1 in 2,700 chance of hitting our planet in September 2182.

"When people find out about that they're going to say 'who put that there?'," Buzz Aldrin once said of the monolith.

Mars's moon Phobos is so strange that no one knows how it formed. But a forthcoming mission could solve this mystery - and a ...

From asteroid-based noodle bars to Europa’s best bioluminescent seafood, here’s your ultimate guide to dining across the ...