Science ❯ Astronomy

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Hubble Spots Rare Post-Starburst Galaxy Where a Black Hole Stifles New Stars

The new image offers a close test of how an active black hole can shut down star birth in a galaxy.

Tonight: Crescent Moon Sits Between Venus and Jupiter in the Western Twilight

Solar Radio Burst Lasts 19 Days, Longest on Record

Scientists Detect Ultra-Thin Atmosphere Around Tiny Kuiper Belt Object

Astronomers Detect Thin Atmosphere on Small World Beyond Pluto

TESS Survey Identifies 27 Candidate Two‑Star Planets

Webb Maps the Surface of a Nearby Super-Earth, Revealing a Dark Basaltic World

Study Reports Tenuous Atmosphere on a 500-Kilometer Kuiper Belt World

Astronomers Pinpoint the Milky Way’s Star-Forming Edge at About 35,000–40,000 Light-Years

ALMA Finds Semi-Heavy Water in Interstellar Comet 3I/ATLAS

Interstellar Comet 3I/ATLAS Shows Extreme Heavy-Water Signal, Pointing to an Ultra‑Cold Origin

Interstellar Comet 3I/ATLAS Shows Extreme Heavy-Water Enrichment, Study Finds

Astronomers Measure Cygnus X-1’s ‘Dancing’ Black Hole Jets at 10,000 Suns of Power

JWST Detects Methane From Interstellar Comet 3I/ATLAS

Brightening Comet Pan‑STARRS Enters Pre‑Dawn View for Northern Skywatchers

Global Collaboration Pins Local Hubble Constant at 73.50 ± 0.81 km/s/Mpc With 1% Precision

Comet PANSTARRS Now Visible in Germany’s Pre‑Dawn Sky as Viewing Window Closes

JWST Spots Record-Low Metallicity in ‘Forbidden’ Giant Planet’s Atmosphere

Astronomers Identify Most Chemically Pristine Star Ever Observed

JWST Finds Metal-Poor Atmosphere on Giant Planet Around a Small Red Dwarf