Science ❯Astronomy

Exoplanets

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

NASA Confirms 6,000 Exoplanets in Official Tally

NASA says more than 8,000 additional signals await confirmation.

NASA’s Confirmed Exoplanet Tally Reaches 6,000

New Model Points to Rare, Far-Flung ETIs, Estimating the Nearest at 33,000 Light-Years

JWST Narrows TRAPPIST-1e’s Atmosphere, Pointing to Nitrogen-Rich Air

JWST Spots Tentative Signs of an Atmosphere on TRAPPIST-1e

Webb Detects First Silane in Ancient Brown Dwarf, Clarifying Jupiter–Saturn Silicon Mystery

New Spectra Show 3I/ATLAS Is a Carbon‑Chain–Depleted Interstellar Comet With Weak CN Emission

Astronomers Directly Image a Forming Giant Planet Inside a Multi‑Ring Disk Gap

New Rectangular Space Telescope Concept Targets Earth-Like Planets Within 30 Light-Years

Astronomers Directly Image Newborn Planet in Multi-Ringed Disk in First Clear Case

UC Santa Cruz Model Recasts Sub‑Neptune ‘Steam Worlds’ With Colder, Smaller Interiors

New Simulations Challenge Giant-Impact Origin of Jupiter’s Fuzzy Core

StarryStarryProcess Maps Star Spots From TESS and Kepler to Clarify Exoplanet Signals

Study Maps Where Earth's Deep-Space Signals Leak and How SETI Should Listen

Webb Spots Tiny New Moon Around Uranus, Bringing Count to 29

New Simulations Undercut Giant-Impact Origin of Jupiter's Dilute Core

Study Proposes Dark Matter Could Spawn Planet-Devouring Black Holes Inside Gas Giants

Webb Uncovers Provisional Saturn-Mass Exoplanet in Alpha Centauri A’s Habitable Zone

Webb Telescope Rules Out Atmosphere on Earth-Sized Exoplanet TRAPPIST-1 d

JWST Finds No Atmosphere on TRAPPIST-1d, Removing It From Earth-Analog List