Space

Apollo 11 Astronaut Michael Collins Dies

Collins was the crew member who stayed in orbit on the Apollo 11 command module while Neil Armstrong and Buzz Aldrin walked on the moon. Later he oversaw building of the National Air and Space Museum.

What Do You Call A Group Of Black Holes In The Cosmos?

NASA crowdsourced that question on Twitter as part of a newly coined "black hole week." And the suggestions rolled in. Astronomers have found dozens of black holes looming around a cluster of stars.

Tissue Box-Sized Helicopter Takes Flight On Mars

NASA announced that a small helicopter sent to Mars aboard the Perseverance rover took flight — the first controlled, powered flight on another planet. The helicopter took aerial photos of Mars.