Science ❯ Astronomy

Observational Astronomy

Telescopes James Webb Space Telescope Space Telescopes Telescope Technology Radio Astronomy Telescope Observations Hubble Space Telescope Data Analysis X-ray Astronomy Spectroscopy

Hubble and Gaia Reveal Milky Way's Earliest Major Merger

The study finds a roughly 500-million-solar-mass dwarf galaxy supplied stars, gas plus dark matter that helped shape the young Milky Way's growth.

Study Finds Webb’s Little Red Dots Often Hide Obscured Black Holes and Faint Hosts

JWST Identifies a Candidate ‘Black Hole Star’ at Cosmic Dawn

Astronomers Identify a Black Hole Star at Cosmic Dawn

Astronomers Find First Globular-Cluster Stellar Stream Beyond the Milky Way

Webb’s Infrared Images Reveal Hidden Dust and Gas Inside the Lion Nebula

Astronomers Publish Largest Two‑Dimensional Sky Map with 5.6 Trillion Pixels

Webb Detects Water and Silicate Dust in Star Beside Milky Way’s Black Hole

Gas Streamer Likely Tilted GW Orionis' Triple-Star Disk

Rare X‑Ray Flash Reveals Faint Shock Breakout in Type Ic‑BL Supernova

Perseverance Captures Earth Vanishing Behind Mars Moon Phobos

Ukrainian Astronomers Report More Than 20 Unidentified Objects Crossing the Moon

ALMA Data Open Millimeter Band as New SETI Search Frontier

VLT Observations Show Black Hole Drives Dense Winds Late in Outburst

Wandering Supermassive Black Hole Seen Shredding Star in Galaxy Outskirts

Asteroid 44 Nysa Is Likely a Three‑Lobed Body and Has a Small Moon

Astronomers Capture Clearest Image Yet of Betelgeuse’s Likely Companion

Hubble Study Finds Andromeda’s Star Formation Has Fell to a Fraction of Its Former Rate

AI Flagged a Wandering Supermassive Black Hole Tearing Apart a Star

ALMA Archival Search Recasts How Many Stars We've Searched for Alien Signals