Hubble reveals a chaotic spiral galaxy whose close encounter with a neighbor has ignited a spectacular burst of star birth.

Astronomers have obtained remarkably detailed images of two stellar explosions -- called novae -- just days after they began.

Scientists have detected the most distant supernova ever seen, exploding when the universe was less than a billion years old.

Red giant stars are known to have stellar winds far more powerful than those of the Sun. It was thought that the light these stars produce powered the winds, pushing grains of dust made up of carbon ...

NASA’s James Webb Space Telescope’s NIRCam (Near-Infrared Camera) has captured a stunning view of supernova remnant Cassiopeia A (Cas A). Credit: Space.com | footage courtesy: NASA, ESA, CSA, STScI, ...

Earth may owe some of its properties to a nearby star that blew up just as the solar system was forming. This pattern, which saw a supernova bubble envelop the sun and shower it with cosmic rays, may ...

"This is certainly an outburst unlike any other we've seen in the past 50 years." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Astronomers ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. The recent deaths of two white dwarf stars are challenging our ...

Day 6 of the 2025 Space Telescope Advent Calendar: The Shell of a Dying Star. About 1,500 light-years from Earth, a dying star at the heart of planetary nebula NGC 1514 is performing a spectacular ...

XRISM uncovered that massive stars forge far more life-essential elements than scientists ever expected. (Artist’s concept.) Credit: SciTechDaily.com Scientists using the XRISM X-ray satellite have ...