The U.S. Federal Aviation Administration (FAA) has cleared Firefly Aerospace to resume launches of its Alpha rocket. The ...

This quiz invites you to chase comets through time and space, from ancient omens to modern scientific marvels.

Viking consisted of two twin orbiters and landers, with experimental chambers in the landers to conduct three biology ...

The two telescopes operate synchronously: Izaña-2 fires laser pulses at a piece of space debris high overhead, and Izaña-1 ...

Bungie's Halo swan song remains a fan-favorite installment, and its appeal after all these years is more than just nostalgia.

The 'equinox eclipse' will bring up to 86% coverage across New Zealand, Antarctica and parts of the South Pacific.

SpaceX will launch Northrop Grumman's new "Cygnus XL" cargo ship on its debut mission to the International Space Station (ISS ...

This unexpected color raises new questions about the alien chemistry of comets from beyond our solar system. On Sept. 7 2025, the skies darkened as Earth's shadow consumed the moon. Skywatchers in ...

Satellite images reveal a new island in Alaska's Alsek Lake, formed as retreating glaciers reshape the landscape.

Since that day, LIGO — composed of two highly sensitive laser interferometers located in Hanford, Washington and Livingston, ...

SpaceX just lofted yet another batch of its Starlink broadband satellites to orbit. A Falcon 9 rocket carrying 24 Starlink ...

Astronomers have for the first time measured the speed and direction of a newborn black hole, thanks to gravitational waves ...