NASA’s Perseverance Rover Collects Puzzle Pieces of Mars’ History
Brown dwarfs aren’t quite stars and aren’t quite planets, and a new study suggests there might be more of them lurking in our galaxy than scientists previously thought.
Aug 31, 2021
The newly discovered feature offers insight into the large-scale structure of our galaxy, which is difficult to study from Earth’s position inside it.
Aug 17, 2021
Exploding stars generate dramatic light shows. Infrared telescopes like Spitzer can see through the haze and to give a better idea of how often these explosions occur.
Aug 4, 2021
Known as ultraluminous X-ray sources, the emitters are easy to spot when viewed straight on, but they might be hidden from view if they point even slightly away from Earth.
Jul 9, 2021
The highlight of the new chart is a wake of stars, stirred up by a small galaxy set to collide with the Milky Way. The map could also offer a new test of dark matter theories.
Apr 21, 2021
Some of the world’s most powerful telescopes simultaneously observed the supermassive black hole in galaxy M87, the first black hole to be directly imaged.
Apr 14, 2021
Brown dwarfs, sometimes known as “failed stars,” can spin at upwards of 200,000 mph, but there may be a limit to how fast they can go.
Apr 7, 2021
What remains of the star that exploded just outside our galaxy in 1987? Debris has obscured scientists’ view, but two of NASA’s X-ray telescopes have revealed new clues.
Feb 23, 2021
The mission, which will create a unique map of the entire sky, will catch a ride to space on a SpaceX Falcon 9 rocket.
Feb 4, 2021
Scientists tapped into the worldwide network of volunteers using Backyard Worlds: Planet 9 to map dozens of new brown dwarfs, or balls gas not heavy enough to be stars.
Jan 13, 2021