A new study has increased the number of known hydrogen gas halos from around 3,000 to more than 33,000.

The Eberly Telescope Dark Energy Experiment (HETDEX) has discovered tens of thousands of gigantic hydrogen gas halos, called ...

Astronomers have uncovered an extraordinarily ancient star that offers a rare glimpse into the universe’s earliest chapters.

Research findings are available online in the journal Nature Astronomy. The original story “ Pristine star reveals the dawn ...

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 ...

Join us today, Nov. 20, for Astronomy Unlocked, a virtual event focused on choosing your best telescope, complete with insight and tips from leading industry experts. Observing the wonders of the ...

Did primordial black holes born during the Big Bang swallow the universe's antimatter, allowing matter to dominate the cosmos ...

"Cosmic archaeologists" have discovered an iron-deficient second-generation star, which provides evidence of how ancient stars enriched their successors.

With college students less likely to read through a full textbook than they once were, video games can help keep them engaged ...

Observing the wonders of the night sky begins with selecting the right telescope. Join us on Nov. 20, 2025, at 9:00 am EST for Astronomy Unlocked: How to Choose Your Best Telescope. This virtual event ...