If the Earth had an edge, I hope it would look like this. The edge of a flat Earth. I know, I know, we’ve talked about it ...

A planet with twice Earth's gravity produces creatures with different skeletal requirements, different muscular architecture, ...

A suitcase-sized quantum sensor could soon reveal hidden water, oil, and even underground mountains—all by tracking how atoms fall. Reading time 2 minutes Buckle up, nerds: NASA is building the first ...

On Dec. 12, at 11:15 p.m. EST, NASA's Lucy spacecraft, currently in a two-year orbit around the sun, will skim Earth's atmosphere, passing only about 220 miles (360 kilometers) above the surface. This ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Here's what you'll learn when you read this story: Earth's gravity keeps us securely on terra firma—it's ...

A former NASA engineer claims a new engine can beat gravity without fuel. Is it a breakthrough or just a classic physics trap?

A far-flung conspiracy theory that claims NASA is preparing for Earth to "lose" gravity on August 12, 2026, is circulating on social media. Corbis/VCG via Getty Images It was quite a leap. Conspiracy ...

The Earth is a dynamic system constantly undergoing change. As the processes of change affect the Earth's topography—the heights of land, ice, and ocean surfaces—they also modify the distribution of ...