Science ❯ Astronomy

Cosmic Events

Supernovae Stellar Explosions Galactic Collisions Gamma-Ray Bursts Meteor Showers Supernova Explosions Star Formation Explosions Supernovas Comets

Three-Planet Parade Visible Low After Sunset Tonight

Short twilight windows with Mercury sinking toward the horizon mean June 12–15 are the last practical nights to see Mercury join Venus and Jupiter.

Scientists Confirm Bright Green Fireball Over UK Was a Meteor

AMS Flags Unusual 2026 Fireball Surge From Anthelion Region

Astronomers Tie Distant Star’s Chaotic Fading to Evidence of a Planetary Collision

Magnetar ‘Chirp’ Identified in Superluminous Supernova as Short GRB Localized to Tidal-Stream Dwarf

Webb Data Confirms Asteroid 2024 YR4 Will Safely Fly Past the Moon in 2032

Webb Finds Dust-Obscured Red Supergiant Behind 2025 Supernova, a First for the Telescope

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

Impact Alert Withdrawn as Suspected Asteroid Reidentified as Interstellar Comet 3I/ATLAS

Astronomers Confirm First Triple Radio AGN in Merging Galaxy Trio

Brightest Blue Cosmic Flash Linked to Black Hole Tearing Apart a Massive Star, Studies Find

Astronomers Report Candidate 'Superkilonova' Linked to 2025 Gravitational-Wave Alert

JWST Spots Record-Distant Supernova Tied to March Gamma-Ray Burst

Early Interferometric Images Recast Novae as Multi-Stage, Directional Eruptions

Saturn's Rings Seem to Vanish in Rare Edge-On Alignment on Nov. 23–24

Astronomers Capture a Supernova’s Olive-Shaped Shock Breakout Within a Day

Leonid Meteor Shower Peaks Predawn Nov. 17 Under Dark, Moonlight-Free Skies

Beaver Supermoon Dazzles on Nov. 5 as 2025's Biggest and Brightest

New Study Flags Possible Taurid ‘Resonant Swarm’ Risk in 2032 and 2036

Hubble Spots White Dwarf Devouring Icy, Nitrogen-Rich Exo‑Pluto Fragment