The James Webb Space Telescope's (JWST) exoplanet subject, LHS 3844 b, is a so-called "super-Earth" about 30% larger than our ...

This strange shift in the cosmos’ early disposition is a crucial clue to how the very first galaxies burst into being, ...

"Our job is to stand up to sound the alarms, and make sure that everyone understands that this proposal should not move ...

Watch Eta Aquarid meteors streak across the sky live from observatories and sky cams around the world. It's meteor season ...

A bright waning gibbous moon may wash out this week's Eta Aquarid meteor shower peak — but early risers could still catch a ...

An enormous supercluster made up from over 20 individual galaxy clusters hiding behind our dusty Milky Way is even larger ...

In 2026, the Eta Aquarids are active from April 19 to May 28 and come to a broad peak overnight on May 5-6. Your best chance ...

Far from waging galactic warfare, astronomers use these lasers to create "artificial stars" in order to measure atmospheric ...

Does the cancellation of 'Starfleet Academy' suggest that lean times are ahead for 'Star Trek' and 'Star Wars'?

Editor's note: The full "Flower Moon" has come and gone, delighting skywatchers with a dazzling display of natural light as it climbed over the southeastern horizon on May 1. Check out our May 2026 ...

The human heart shrivels away in space, but researchers have found that mini-hearts grown from human stem cells sprout in ...

To celebrate George Lucas’s sprawling space opera that first landed on Earth in May of 1977, we’ve got a global gathering of ...