The concept of a city-sized telescope on the moon has piqued NASA's interest.The space agency recently awarded(opens in a new tab) researchers a grant...
NASA's extraterrestrial helicopter, Ingenuity, flew 40 feet into the Martian air and snapped an astonishing landscape on another world. On its 51st flight, the...
A spacecraft can't live among the stars forever. But NASA isn't quite ready to say goodbye to its 1970s-era Voyager 2, its second-farthest spacecraft...
The mass of the biggest black holes is unimaginable.Even a small black hole is extraordinarily dense and massive. If Earth was (hypothetically) crushed into...
