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Hubble Space Telescope

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

Modeling the stream in ultra-diffuse galaxy UGC 9050‑Dw1 reveals the galaxy’s dark-matter-dominated halo, pointing to a new way to map unseen mass.

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

Hubble and Webb Pin Down First Stellar Black Hole in Omega Centauri

Hubble Releases New Images That Map Young Stars and Ancient Clusters

Third Galaxy in NGC 1052 Trail Found to Lack Dark Matter

Hubble Spots First Known Comet Spin Reversal

Hubble Maps 25 Years of Expansion in the Crab Nebula

Hubble Accidentally Captures Comet C/2025 K1 Breaking Into Pieces in Rare Real-Time View

Hubble Accidentally Captures Comet C/2025 K1 Fragmenting in Real Time

New Analysis Finds Comet 41P Likely Flipped Its Spin After Record 2017 Slowdown

Hubble Confirms First Starless Dark-Matter Cloud, ‘Cloud-9,’ a Predicted RELHIC

Hubble Confirms 'Cloud‑9' as a Starless Dark‑Matter Halo Near M94

Hubble Confirms First Starless Dark-Matter Cloud, 'Cloud-9,' a Predicted RELHIC

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

Hubble Captures Record-Breaking Chaotic Planet-Forming Disk 1,000 Light-Years Away

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

Hubble Catches Two Debris-Cloud Collisions at Fomalhaut, Recasting ‘Fomalhaut b’

Hubble’s New NGC 2775 Portrait Deepens the Mystery of a Hybrid Galaxy

Hubble’s New H-Alpha Views Reveal Star Birth in Nearby Spirals NGC 2835 and NGC 45

Interstellar Comet 3I/ATLAS Exhibits Cometary Activity at Record 209,000 km/h