Stars
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Sirius: The brightest star in Earth's night sky
By Elizabeth Howell, Ailsa Harvey last updated
Reference Discover Sirius, the Dog Star, the brightest star in the night sky and learn how to spot it, its history, and why astronomers study it.

Supernovas are hard to detect. Scientists just found a way to spot them hours after they explode
By Keith Cooper published
Astronomers have learned how to find supernova explosions in their earliest stages, giving us an unprecedented look at how these stars blow up.

This baby star's big explosion fired back: 'Nature is far more complex than humans think'
By Sharmila Kuthunur published
Astronomers discovered a star-triggered explosion shaping its dusty disk, revealing a far more chaotic and intense environment than previously thought.

Red supergiant star expels mysteriously large cloud of gas
By Keith Cooper published
The star, called DFK 52, is a member of a cluster of similar red supergiants, but it's losing mass at an extreme rate never seen before.

Scientists capture bridge of stray stars being sucked from one galaxy to another
By Sharmila Kuthunur published
Astronomers spot a rare stellar bridge in Abell 3667, revealing an aggressive galaxy merger and new clues about dark matter.

Rapidly spinning dead star's strange 'glitches' are oddly regular
By Paul Sutter published
Ultimately, we do not understand where glitches come from or exactly what's going on inside pulsars.

Astronomers capture incredible 1st image of a dead star that exploded twice. How did it happen?
By Robert Lea published
Astronomers have discovered the first evidence of a white dwarf wiped out by a double-detonation supernova, also providing space-lovers with stunning eye-candy.

Cosmic rings reveal new planet being born| Space photo of the day for June 11, 2025
By Kenna Hughes-Castleberry published
Star RIK 113 is busy making a new planet in its protoplanetary disk as seen in this new image from the Very Large Telescope.
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