Virgin Galactic will unveil its first Delta-class spaceship on Wednesday (Oct. 28), revealing a name chosen by public vote before transporting the spacecraft from Arizona to Spaceport America in New Mexico.

Scientists have long known that when two black holes collide, they merge to create a more massive black hole. New research suggests that the opposite may happen too: single black holes may split in two.

Analog Astronaut Commander and Aquanaut Michaela Musilova led underwater simulated “spacewalks” in low visibility to test astronaut safety and communication protocols during simulated space missions.

Scientists are still learning about a cosmic 'string of pearls,' a unique celestial relic left by a supernova witnessed by humanity around 850 years ago, which has a zombie star at its heart.

Your guide to November's full Beaver Moon, from peak times to skywatching highlights.