A group of undergraduate students stumbled into a cosmic time capsule—one of the oldest stars ever discovered—while combing ...

ESA's Gaia mission, the Very Large Telescope and other ground-based telescopes have discovered stellar black hole Gaia BH3.

Astronomers discovered dozens of stellar streams in the Milky Way using Gaia data, offering new clues about galaxy formation ...

Not only does the star have less metal content than our Sun, but it is also the most iron-poor known star.

In the faint light from a red giant star called SDSS J0715-7334, astronomers found barely any sign of the heavier elements ...

Found in an ultrafaint dwarf galaxy, the ancient star’s unusual chemistry indicates it formed from gas enriched by a single ...

An unusual team of astronomers used Sloan Digital Sky Survey-V (SDSS-V) data and observations on the Magellan telescopes at ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. An illustration of the ...

Stellar streams are trails of stars that astronomers can study to solve mysteries about the history of our Milky Way galaxy and, potentially, the dark matter that helps shape the cosmos despite ...

PicII-503 is likely a second-generation star, born from the remnants of the very first stars, according to a new study ...

Stars in the ultra-faint dwarf galaxy Pictor II. (CTIO/NOIRLab/DOE/NSF/AURA) Once upon a time, billions of years ago, the Universe was shrouded in darkness. It wasn't until the first stars began to ...