Determining the expansion rate of the universe, the "Hubble constant," shapes our understanding of the cosmos, its age, and ...

Reacting to these findings, Dr. Stefan Rahmstorf – who has been studying the AMOC for years – says that the world must expect a faster decline than the United Nations’ Intergovernmental Panel on ...

Astronomers heading the search for extraterrestrial intelligence predict their quest might first spark an encounter with ...

Billionaires Jeff Bezos and Elon Musk have been exploring space for more than two decades and the space race is beginning to ...

A lava stream from a volcanic eruption in West Iceland is brighter than the lights of the city's nearby capital, new infrared ...

Scientists have discovered Earth-sized dark UV spots at Jupiter's poles, likely caused by magnetically driven vortices ...

The spacecraft—humanity's most distant probe—managed to resumed contact by switching to a secondary radio not used since 1981 ...

An outburst of solar energy looks primed to hit Earth on Thursday, potentially bringing auroras to the northern U.S. on ...

New images show the rapidly rotating pulsar of the "Guitar Nebula" shooting out a gigantic cosmic plume of plasma, X-rays and ...

Astronomers at UC Berkeley have identified mysterious Earth-sized spots at Jupiter’s poles with rapid life cycles.

It is a significant discovery that may also prove that warm, salty water also flowed from the Martian mountain dubbed Mount ...

This holiday season, escape the chaos and enjoy serene views of Earth from the International Space Station. Discover ...