Science ❯ Astronomy ❯ Observational Astronomy

Space Telescopes

James Webb Space Telescope Hubble Space Telescope TESS Chandra X-ray Observatory JWST Euclid Space Telescope Gaia and Hubble Webb Space Telescope NASA CHEOPS

Webb and Hubble Show Massive Star Clusters Break Free Faster

The finding offers a new yardstick for models of how stars shape galaxies.

Webb Reveals Non-Rotating Massive Galaxy in the Early Universe

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

TESS Reveals Most Compact 3+1 Quadruple-Star System Yet

CHEOPS Reveals 'Inside-Out' Four-Planet System Around Red Dwarf LHS 1903

Astronomers Find Rare ‘Inside-Out’ Planetary System With Rocky Outer World

Inside-Out Exoplanet System Around Red Dwarf LHS 1903 Challenges Formation Models

Astronomers Report First Unambiguous Failed Supernova in Andromeda

Webb Confirms Most Distant Supernova Yet, SN Eos at Redshift 5.133

JWST Reveals Nine Distant ‘Platypus’ Galaxies With Star-Like Profiles and Galaxy-Like Spectra

No Alien Signals Detected From Interstellar Visitor 3I/ATLAS in Green Bank Scan

Hubble Spots Record-Breaking, Chaotic Planet-Forming Disk ‘Dracula’s Chivito’

Hubble Spots Second Debris Cloud at Fomalhaut, Confirming Repeated Planetesimal Collisions

Hubble Spots Second Transient Light Near Fomalhaut as First Fades From View

Space Telescopes Catch Black Hole Flare That Launches Ultra-Fast Winds in Hours

Webb Maps Four Dust Spirals and Confirms Third Star in Rare Apep Wolf-Rayet System

TOI-2267 Becomes First Binary With Planets Transiting Each Star

Viral Mars Rover Image of 3I/ATLAS Draws Fresh Scrutiny as Scientists Flag Camera Artifact

JWST Study Proposes ‘Black Hole Stars’ to Explain Mysterious Early‑Universe Red Dots

Webb Reveals 8-Light-Year Protostellar Jet, Bolstering Massive-Star Formation Theory