Discovery Alert: a Long Year for a 'Cold Saturn'

Two recently discovered exoplanets, gas giants possibly similar to Saturn, could be candidates for further atmospheric investigation.

More Planets than Stars: Kepler's Legacy - NASA

The Kepler mission enabled the discovery of thousands of exoplanets, revealing a deep truth about our place in the cosmos: there are more planets than stars

Discovery Alert: Glowing Cloud Points to a Cosmic Collision - NASA Science

Scientists find that a glowing cloud that obscured a star was caused by a cataclysmic collision of two giant exoplanets.

Discovery Alert: A 'Super-Earth' in the Habitable Zone - NASA Science

A newly discovered 'super-Earth' dwells in the habitable zone of its parent star – and might have a roughly Earth-sized companion.

NASA's Hubble Finds Water Vapor in Small Exoplanet's Atmosphere - NASA Science

Astronomers using NASA’s Hubble Space Telescope observed the smallest exoplanet where water vapor has been detected in the atmosphere.

Discovery Alert: Earth-sized Planet Has a 'Lava Hemisphere' - NASA Science

In a system with two known planets, astronomers saw a small object cross the Sun-sized star. It was another world: extra hot and Earth-sized.

NASA Features New Discoveries at American Astronomical Society Meeting - NASA Science

Experts will discuss new research from NASA missions at the 243rd meeting of the American Astronomical Society (AAS), on topics ranging from planets outside our solar system to fleeting, high-energy explosions in the universe.

NASA's Hubble Observes Exoplanet Atmosphere Changing Over 3 Years - NASA Science

By combining several years of observations from NASA’s Hubble Space Telescope along with conducting computer modelling, astronomers have found evidence for massive cyclones and other dynamic weather activity swirling on a hot, Jupiter-sized planet 88…

Seeing and Believing: 15 Years of Exoplanet Images - NASA Science

Fifteen years ago, astronomers delivered what is now an iconic direct image of an exoplanet, Beta Pictoris b. What's next?

NASA’s Webb Identifies Tiniest Free-Floating Brown Dwarf - NASA

Brown dwarfs are objects that straddle the dividing line between stars and planets. They form like stars, growing dense enough to collapse under their own

Seeing and Believing: 15 Years of Exoplanet Images - NASA Science

Fifteen years ago, astronomers delivered what is now an iconic direct image of an exoplanet, Beta Pictoris b. What's next?

Webb Study Reveals Rocky Planets Can Form in Extreme Environments - NASA

An international team of astronomers has used NASA’s James Webb Space Telescope to provide the first observation of water and other molecules in the highly

Discovery Alert: Watch the Synchronized Dance of a 6-Planet System - NASA Science

Six "sub-Neptune" exoplanets orbit their star in a rhythmic dance – one easily set to music.

NASA Data Reveals Possible Reason Some Exoplanets Are Shrinking - NASA

A new study could explain the ‘missing’ exoplanets between super-Earths and sub-Neptunes.

Webb Follows Neon Signs Toward New Thinking on Planet Formation - NASA

Scientists are following neon signs in a search for clues to one planetary system’s future and the past of another – our own solar system. Following up on a

Construction on NASA Mission to Map 450 Million Galaxies Is Under Way - NASA

Key elements are coming together for NASA’s SPHEREx mission, a space telescope that will create a map of the universe like none before.

Scorching, Seven-Planet System Revealed by New Kepler Exoplanet List - NASA

A system of seven sweltering planets has been revealed by continued study of data from NASA’s retired Kepler space telescope: Each one is bathed in more

Why NASA’s Roman Mission Will Study Milky Way’s Flickering Lights - NASA

Roman’s long-term sky monitoring, which will enable these results, represents a boon to what scientists call time-domain astronomy, which studies how the

Webb Detects Tiny Quartz Crystals in the Clouds of a Hot Gas Giant

NASA’s Roman Mission Gears Up for a Torrent of Future Data

NASA’s Nancy Grace Roman Space Telescope team is exploring ways to support community efforts that will prepare for the deluge of data the mission will return.