Fastest Star Ever Found Orbiting Milky Way Black Hole at 55 Million MPH
Astronomers have discovered S301, the closest and fastest star ever seen orbiting Sagittarius A*, the supermassive black hole at the center of the Milky Way.
Milky Way galaxy
NASA Unveils 16 Stunning ‘Cosmic Gem’ Images of Galaxies
Space agencies have released 16 new images showcasing galaxies as “cosmic gems,” using data from NASA’s Chandra X-ray Observatory and other telescopes.
September Night Sky: Planetary Alignments and Milky Way Viewing Guide
Stargazers willing to wake up before sunrise have a busy month ahead of planetary meetings.
James Webb Telescope Reveals Supermassive Black Holes Formed Before Host Stars
Astronomers analyzing data from the James Webb Space Telescope have discovered that mysterious little red dots in the early universe hide compact galaxies containing roughly a…
Hubble Uncovers First Known Galactic Merger of Milky Way 11.8 Billion Years Ago
The Milky Way swallowed a dwarf galaxy 11.8 billion years ago, a discovery revealed by Hubble and Gaia data, while Terzan 5 emerged as a rare fossil from the galaxy’s formation…
Rapid Stellar Spin Explains Fading Black Hole Flares
Astronomers studying repeating partial tidal disruption events have discovered that rapidly spinning stars can explain why some black hole flares mysteriously grow dimmer over…
The Milky Way devoured a smaller galaxy about 11.8 billion years ago
Scientists have discovered that the Milky Way devoured a massive dwarf galaxy approximately 11.8 billion years ago, representing the earliest-known galactic merger in our home galaxy’s … Read more
James Webb Telescope Finds Water and Dust Near Milky Way’s Central Black Hole
Astronomers using the James Webb Space Telescope have discovered water molecules and silicate dust surviving near Sagittarius A*, the Milky Way’s central supermassive black hole. The … Read more