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

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

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

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, ...

Get ready, sun lovers! We're just one week away from the Sept. 21 partial solar eclipse. The moon will appear to take a "bite" from the sun for observers across the South Pacific, including New ...

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 ...

House of Representatives hearing, held by the Task Force on the Declassification of Federal Secrets. Representative Anna ...

See the spectacular 2025 Awards. The winners of the 2025 ZWO Astronomy Photographer of the Year Award have been revealed, ...

The nights following Sept. 12 are a great time to observe the shifting play of light over the vast Montes Apenninus mountain ...