Astronomers observed the fading light of supernova SN 2025kg, which followed the fast X-ray transient (FXT) named EP 250108a.

Understanding the early universe is a foundational goal in space science. We're driven to understand nature and how it evolved from a super-heated plasma after the Big Bang to the structured cosmos we ...

New research offers the most precise measurements yet of pulsating Cepheid stars, which may hold clues about the immense size and scale of our universe. Cepheids are a type of variable star that ...

The Methuselah Star, also known asHD 140283, has long been a subject of fascination among astronomers. Its age, initially estimated to be older than the universe itself, challenged our understanding ...

The James Webb Space Telescope has looked back into deep time to find “rubies” or “little red dots” stretched across the ...

Astronomers reanalyzed the chemical composition of three stars in the Milky Way's halo and found that they are between 12 and 13 billion years old. They may have also been stolen from other galaxies.

Researchers of the University of Granada have conducted the most complete worldwide analysis of the chemical composition and evolutionary state of a spectral type R carbon star The presence of carbon ...

Three undergraduate students in an astronomy class at MIT, led by their professor, discovered something extraordinary on the edge of our own galaxy, the Milky Way (so, in cosmic scales, right next ...

Credit: Digitized Sky Survey (DSS), STScI/AURA, Palomar/Caltech, and UKSTU/AAO. Get the Popular Science daily newsletter💡 Breakthroughs, discoveries, and DIY tips ...

An MIT astronomy class has found three of the oldest stars in the universe lurking right outside the Milky Way. The stars, about 30,000 light-years from Earth, are in the galaxy's "halo," the cloud of ...

"It's pretty incredible to think that some of the heavy elements all around us, like the precious metals in our phones and computers, are produced in these crazy extreme environments." Scientists have ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Researchers have created a stunning animation showing the suspected intermediate-mass black hole ...