The vernal equinox heralds the arrival of spring in the Northern Hemisphere (finally). But have you heard the myth about ...

NASA astronauts Suni Williams and Butch Wilmore begin their 17-hour return journey to Earth after 9 months aboard the ISS. Follow Newsweek's live blog.

The Analyzer for Cusp Electrons (ACE) is designed to measure electron activity in the region of the northern magnetospheric ...

Butch Wilmore and Suni Williams, who’ve been at the space station since June, will return to Earth along with two Crew-9 ...

What can a star’s behavior teach scientists about the formation and evolution of sub-Neptune exoplanets, which comprise one ...

The final results from the Atacama Cosmology Telescope offer the sharpest, most sensitive view of the early cosmos that ...

The Blue Ghost spacecraft, named for a species of firefly, took eclipse chasing to new heights. Not only did it see the Earth block the Sun from an unexplored location on the Moon, but the lander fell ...

New images of the infant universe captured by the Atacama Cosmology Telescope (ACT) are the most precise "baby pictures" to ...

Soaring demand for electricity is leading some companies to not only think out of the box for a solution, but out of this ...

New photograph captures breathtaking sight of history-making Boom Supersonic's XB-1 passenger plane as it hits supersonic ...

Astronomy contributor and lunar expert Robert Reeves looks back on a Texas-sized achievement in Moon exploration.

Greenhouse gases are doing more than warming our planet — they're reshaping space itself. As emissions cool and shrink the ...