Science ❯ Astronomy ❯ Observational Astronomy

Space Telescopes

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

Stellar-Mass Black Hole Found in Omega Centauri

Its 4.46-solar-mass measurement falls inside the 2.5–5 solar-mass mass gap and shows long-baseline astrometry can reveal many hidden compact objects.

Euclid Finds 31 Primordial Quasars, Including Two New Distance Records

Hubble Releases New Images That Map Young Stars and Ancient Clusters

Webb Spectrum Reveals Dense Gas Cocoon Around an Early ‘Little Red Dot’

Webb and Hubble Show Massive Star Clusters Shed Birth Clouds Sooner

Webb Reveals Non-Rotating Massive Galaxy in the Early Universe

Sungrazing Comet MAPS Disintegrates Near the Sun

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