Hubble maps giant halo around Andromeda Galaxy

Because we live inside the Milky Way, scientists cannot easily interpret the signature of our own…

Hubble Finds That Betelgeuse’s Mysterious Dimming Is Due to a Traumatic Outburst

The star is relatively nearby, about 725 light-years away, which means the dimming would have happened…

Curiosity Celebrates 8 Years on the Red Planet

No matter which direction you look in the universe, the view is basically the same if…

Hubble Space Telescope captures summertime on Saturn

Two of Saturn's icy moons are clearly visible in this exposure

‘Disk Detective’ needs your help finding disks where planets form

Disk Detective has just relaunched with a new website and a new dataset of about 150,000…

Mapping the early universe with NASA’s Webb Telescope

What was the early universe like? Observations ask this and more

Young giant planet offers clues to formation of exotic worlds

It seems more likely that gas giants develop farther from their parent star, past a boundary…

NASA’s Curiosity Rover Finds Clues to Chilly Ancient Mars Buried in Rocks

With little water or abundant surface life on the Red Planet for at least the past…

Clues hidden in Pluto’s haze

Thin haze enshrouding Pluto is made of very small particles that remain in the atmosphere

Exoplanet Apparently Disappears in Latest Hubble Observations

What astronomers thought was a planet beyond our solar system has now seemingly vanished from sight

Rosette Nebula Gives Birth to Stars

A stellar nursery about 5,000 light-years from Earth

Warped space-time reveals exoplanets

Studying the properties of exoplanet worlds will help us understand what planetary systems throughout the galaxy…

Revisiting Decades-Old Voyager 2 Data, Scientists Find One More Secret

Little known at the time of Voyager 2’s flyby, plasmoids have since become recognized as an…

Quasar Tsunamis Rip Across Galaxies

May explain why there's so few relatively large galaxies in the universe

The southern hemisphere of Jupiter

If Jupiter had been at least 80 times more massive at its formation, it could have…