Astronomers have identified hundreds of nearby K-type stars as potential hosts for life-supporting exoplanets, based on their long-term stability and favorable conditions.

A test model of the Perseverance rover, designed to explore the surface of Mars, sits in a garage at NASA’s Jet Propulsion ...

A new astronomical survey has brought scientists closer to identifying nearby stars that could host Earth-like planets ...

Astronomers have cataloged thousands of exoplanets, and a pattern keeps showing up: Around most stars, the most common ...

Astronomers announced the discovery of a starless cloud of hydrogen gas, a pristine relic of the cosmos that is almost as old as time itself.

Superionic water—the hot, black and strangely conductive form of ice that exists in the center of distant planets—was ...

The world’s oceans are becoming dangerously acidic. A controversial proposal would raise the pH — by mixing chemicals into ...

Lazuli’s design features a 3.1-meter mirror, which would make it larger than NASA’s Hubble Space Telescope (but smaller than ...

Sleep may have evolved to help reduce DNA damage in nerve cells long before they became centralized in the brain, a study ...

A first-of-its-kind space telescope could soon launch into orbit and potentially chart a new path forward for astronomy.