NASA scientists say a rock sample collected by the Perseverance rover in Jezero Crater may contain the strongest signs yet of ...

Mars may have released sulfur gases that trapped heat, shaped the climate, and created conditions for ancient life.

NASA contractor Lunar Outpost revealed that its Lunar Terrain Vehicle will be capable of real-time teleoperations from its ...

About a century before Glacier Bay became a national park, conservationist John Muir visited the landform now called Russell ...

The crescent moon aligned with Venus and the bright star Regulus on September 19, creating a rare celestial conjunction in ...

Since astronomers found the first planets outside our solar system in 1992 and the first planet around a sunlike star in 1995 ...

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.

The formation of the island is a concern to experts, highlighting the broader issue of glacier retreat caused by climate change.

On Sept. 21, Earth will find itself in between Saturn and the Sun. Here's everything you need to know about this astronomical ...

NASA Glenn is leading America's urgent push to beat China in establishing the first lunar power plant by 2030, with ...

Hayabusa2 is now facing an unexpected challenge: the asteroid it is targeting for its next visit is much smaller than ...