Science ❯Cosmology ❯Galaxies

Milky Way

Supermassive Black Holes Messier 87 Supermassive Black Hole Dynamics Ursa Major Stellar Clusters Stellar Phenomena

ALMA Maps 1.4‑Light‑Year, Sun‑Mass Bubble Around Red Supergiant DFK 52

Peer‑reviewed data point to a violent outburst about 4,000 years ago with the cause still unresolved.

Nature Study Captures First Direct Look Inside an Exploding Star

NASA Scientist Detects Unexplained Paired Light Pulses From Sun-Like Stars