Stars | Astronomy.com

The first supernova of its kind

How AI helped uncover a new type of supernova

Stellar jet pressures planet-forming disk

Today in the History of Astronomy

Aug. 8, 1989: The Hipparcos satellite launches

Why are there so many different types of stars?

The star Mira

Today in the History of Astronomy

Aug 3, 1596: David Fabricius discovers Mira

Observe the sky’s colorful stars

Betelgeuse’s long-lost companion emerges from the shadows

Today in the History of Astronomy

July 16, 1850: Bond and Whipple photograph Vega

Astronomers discover a perfectly spherical supernova remnant

Solar System, Stars

Why will our Sun expel its outer layers as it dies?

Exotic Objects, Stars

‘Strange binary’: Astronomers discover a pulsar and a helium star orbiting each other