Sky-gazers should get ready for a full day of celestial events on Sunday, including a partial solar eclipse in parts of the Southern Hemisphere.

For anyone in Hawaiʻi this weekend, the sky offers a rare show. Saturn, the ringed giant, will rise bright in the evening and stay visible through the night.

SpaceX's busy month of September in California will continue in the days ahead with its second non-Starlink launch of the ...

The U.S. and China are in a sprint toward manned missions to the lunar surface by the end of this decade, with sights on 2029 ...

A new NASA mission will capture images of Earth's invisible "halo," the faint light given off by our planet's outermost atmospheric layer, the exosphere, as it morphs and changes in response to the ...

The bottom half of the world, known as the Southern Hemisphere, is about to be treated to a partial solar eclipse that won't be visible in the US.

Watch the Sept. 21 partial solar eclipse live online with this handy livestream. Coverage begins at 2 p.m. EDT (1800 GMT).

Kevin France, a professor of astrophysics at the University of Colorado Boulder, discusses the Habitable Worlds Observatory, ...

Much as we may treasure and proclaim our independence, we actually live in a protective bubble called the heliosphere.

Partial eclipses often happen multiple times per year and are more common than total eclipses. The most recent partial solar ...

Hidden beneath the rolling hills of southwestern Pennsylvania lies a secret world that too few travelers ever discover—Laurel Caverns, a magnificent underground labyrinth that deserves a spot on every ...

In 2005, ESA's Huygens probe landed on Titan, revealing the atmosphere, landscapes, and chemistry of Saturn's moon.