NASA’s Chandra Observatory reveals a 25-year time-lapse of Kepler’s Supernova Remnant. Glowing debris expands at different ...

V1674 Herculis was a record-breaker. It erupted in the constellation Hercules on June 12, 2021, and skyrocketed to peak ...

Optical proof of a tiny companion orbiting supergiant star Betelgeuse is hard to come by. Hubble just spotted new evidence.

Space scientists have just released spectacular images documenting the death of a star, a process that has been continuously ...

For every galaxy that's visible from Earth, there are nine smaller ones that we can't see, even with all the technology we've ...

Astronomers have created a detailed forecast of where they expect to observe future stellar explosions in a nearby galaxy, ...

Gamma rays are invisible and ultra-powerful forms of light. They are the most energetic source of radiation known in the ...

"This was many times more energetic than any similar event and more than any known explosion powered by the collapse of a ...

It's the last clearly observed supernova in the Milky Way, Gassel said.

If scientists are able to inspect it in person, and they find that Mars was indeed once alive with microbes, we would know ...

A new study reveals a rare-breaking white dwarf star, dubbed RXJ0528+2838, that is somehow generating a rainbow-like "bow ...