The environments in space habitats and on the Earth are both closed-loop systems, only on vastly different scales.

It's an asteroid named 2024 PT5, which entered Earth's orbit on Sept. 29 and will be caught there until Nov. 25, before ...

Researchers created a seismic map of Earth's interior beneath the southeastern Pacific Ocean and discovered an ancient slab ...

Sci-fi shooter Earth Defense Force 6 just removed an account requirement on Steam that led players to review-bomb it at ...

The Complete History of Middle-earth is featured in Amazon's early Prime Big Deal Days sale. for over 50% off.

The Planetary Health Check is a key monitor of earth's vital signs—and will guide action for a more sustainable world.

Solar flares and coronal mass ejections are normal behavior for the Sun, particularly when it's in the peak of its activity ...

D3Publisher and Sandlot's Earth Defense Force 6 removes a very big, albeit widely criticized, requirement for the game's ...

Planetary rings don’t last forever, although they do exist for millions of years. The evidence for Earth’s possible ring is ...

Although free for nearly a year, Aviva Siegel, 63, still feels trapped knowing her husband, Israeli-American Keith Samuel ...

Robin George Andrews, author of "How to Kill an Asteroid," joins The Excerpt to discuss how scientists are working to ...

A second moon has officially entered Earth’s orbit—sort of. Although it’s being called a “mini-moon,” it’s actually an ...