Science ❯ Astrophysics ❯ Observational Astronomy

Hubble Space Telescope

Keck Observatory Dark Energy Spectroscopic Instrument Cosmic Origins Spectrograph Galaxy Discovery Galaxy Studies Galaxy Surveys Magnetar Observations Cosmic Observations Galaxy Observations Imaging Techniques Stellar Morphology Comparative Analysis Astronomical Discoveries Galaxy Clusters Ultraviolet Spectroscopy

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

Modeling of the faint stream in UGC9050-Dw1 shows a globular-cluster origin that implies the galaxy is dark-matter rich.

Third Galaxy in NGC 1052 Trail Found to Lack Dark Matter

Hubble UV Reveals Ultra-Massive White Dwarf as Stellar Merger Remnant