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Cosmic Phenomena

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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.

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Pentagon Publishes First Public Archive of UAP Files Under Trump Transparency Push

Eta Aquariid Meteor Shower Peaks May 5–6 Under Bright Moonlight

Hubble Marks 36 Years With Sharper Trifid Nebula Portrait That Shows Change

Lyrid Meteor Shower To Peak Wednesday Night With Improved Skies Forecast

Comet Pan‑STARRS Reaches Perihelion Sunday, Closing a Brief Pre‑Dawn Viewing Window

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

New Meteor Shower Traces to Asteroid Crumbling Near the Sun

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

Muse Unveil 10th Album 'The WOW! Signal' As 'Be With You' Debuts From Near Space

Crescent Moon Pairs With Venus on the Vernal Equinox

Webb’s ‘Little Red Dots’ Remain Unexplained as Conflicting Clues Emerge

Nature Study Links Superluminous Supernova to Newborn Magnetar Through Relativistic 'Chirp'

KM3NeT Study Points to Blazar Population as Plausible Source of Record 220 PeV Neutrino

JUICE Releases Best-Yet Image of Interstellar Comet 3I/ATLAS as Data Flow Begins

Rubin Observatory Goes Live With Real-Time Sky Alerts, Sending 800,000 in First Night

Star-Shredding Black Hole’s Radio Jet Still Surging, With Peak Predicted Around 2027

ESA Data Show South Atlantic Anomaly Expanding and Intensifying Near Africa

NASA’s IMAP Begins Two-Year Mission to Map the Heliosphere’s Edge

AI Sifts 35 Years of Hubble Images, Flagging Over 1,300 Cosmic Anomalies