Science ❯ Astronomy

Exoplanets

Habitability Planetary Systems Planetary Formation Detection Methods Planet Formation Planetary Science Atmospheric Studies Gas Giants Planetary Characteristics K2-18b

Lab Experiments Show Sub‑Neptunes Can Make Their Own Water

High‑pressure tests produced water at the hydrogen–magma boundary to challenge migration-based explanations for wet close‑in worlds.

Astronomers Confirm First Coronal Mass Ejection From Another Star

Astronomers Confirm First Coronal Mass Ejection From a Star Beyond the Sun

Large TESS Survey Finds Close-In Giant Planets Scarcer Around Evolved Stars

Experiments Confirm Hydrogen–Rock Reactions Can Create Large Water Stores Inside Sub-Neptunes

Ancient White Dwarf Caught Accreting Debris From a Shattered Rocky World

Lab Experiments Reveal Planets Can Make Water From Hydrogen–Magma Reactions

JWST Delivers First 3D Map of an Exoplanet's Atmosphere

TOI-2267 Becomes First Binary With Planets Transiting Each Star

Nearby Super‑Earth GJ 251 c Detected in Habitable Zone After Two‑Decade Radial‑Velocity Campaign

Nearby "Super-Earth" GJ 251 c Found in Habitable Zone 18 Light-Years Away

Astronomers Confirm Gliese 251c, a Nearby Super-Earth in the Habitable Zone

Scientists Detect Habitable-Zone ‘Super‑Earth’ GJ 251 c Just 18 Light‑Years Away

Nearby Habitable-Zone Super-Earth Candidate GJ 251 c Announced in Peer-Reviewed Study

3-Billion-Year-Old White Dwarf Is Actively Devouring Rocky Debris, Study Finds

Rogue Planet Caught in Record Growth Spurt, Accreting Like a Young Star

Rogue Planet Devours Matter at Record 6 Billion Tons Per Second

Rogue Planet Cha 1107-7626 Undergoes Record Accretion Burst Detected by JWST and VLT

Rogue Planet Cha 1107‑7626 Caught in Record Growth Spurt at 6 Billion Tons per Second

NASA’s Space Apps Challenge Launches Across Barcelona, Alicante and Mexicali With Stronger Backing