From the moon's formation to the Earth's core, some of the planet's biggest mysteries are still wide open Fascinating ...

Fifty-six years after the first one rallied 20 million people across America, “we need to do things that make us feel more ...

Add Yahoo as a preferred source to see more of our stories on Google. You may have heard a lot of online chatter about Earth's two moons recently, but that doesn't quite get the discovery right. Earth ...

Extraterrestrials have issued a stark warning to mankind that we risk annihilating our planet in a stunning UFO revelation, which researchers are hailing as "first contact." The ominous alert from ...

How much do you know about our planet? Here are the amazing, odd and downright cool Earth facts scientists learned in the ...

The Apophis asteroid, once feared to hit Earth, is less than three years from making an unprecedented approach toward Earth.

The Earth is pretty good at keeping its pace. However, variations do happen. And on three separate days this summer—July 9, July 22, and August 5—the Earth will spin notably faster than usual. Of ...

Prefer Newsweek on Google to see more of our trusted coverage when you search. New research shows that rising sea levels caused by melting ice sheets are redistributing mass across the planet, ...

Researchers are learning details about asteroid impacts going back to the Earth's early history by using a new method for extracting precise information from tiny "spherules" embedded in layers of ...

Earth signs are the most grounded people on the planet—you know, the ones who always keep it 100 real. They’re known to be stable, pragmatic, and unwavering. If you want someone to edit your résumé or ...

Astronomers recently detected a stray quasi-moon in our planet’s orbit, but it's hardly the first stowaway to hang out around Earth. Unlike the Earth's moon, quasi-moons are not gravitationally bound ...

You may have heard a lot of online chatter about Earth's two moons recently, but that doesn't quite get the discovery right. Earth still only has one true natural satellite — our 2,159-mile-wide moon ...