Listen, as a general rule: If you don't know what something is, don't pick it up. "When I'm talking, you're not talking," ...

For years, astronomers have sought a way to directly observe the atmospheres of exoplanets, worlds orbiting distant stars.

Giant Exoplanets in HR 8799 System Likely Formed Like Jupiter and Saturn The first exoplanet was discovered in the 1990s, but ...

Shocking before-and-after images of NASA's stranded astronauts show the terrifying damage that months spent in the harsh ...

The James Webb Space Telescope is a collaborative effort between NASA, the European Space Agency and the Canadian Space Agency. Unlike the Hubble Space Telescope, which orbits around the Earth, Webb ...

Cosmic microwave background data support cosmology’s standard model but retain a mystery about the universe’s expansion rate.

NEW YORK (AP) — A European space telescope launched to explore the dark universe has released a trove of new data on distant ...

A federal appeals court in Washington, D.C., on Tuesday affirmed that a work of art generated by artificial intelligence ...