A test model of the Perseverance rover, designed to explore the surface of Mars, sits in a garage at NASA’s Jet Propulsion ...

Some nights, the box score barely mattered. What kept fans glued to the broadcast was everything taking place around the game itself. Howie, Ron, and Keith have ...

"This was many times more energetic than any similar event and more than any known explosion powered by the collapse of a ...

Both NASA’s James Webb Space Telescope and Chandra X-ray Observatory caught these two galaxies in a close embrace.

It's the last clearly observed supernova in the Milky Way, Gassel said.

Astronomers have revealed a new type of cosmic object called Cloud-9 — a dim, starless gas cloud anchored by a massive dark ...