Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. Water is at the center of one of the enduring questions about how ...

The molten exoplanet, larger than sub-Neptune, could be a new class of planet.

A comet named “Devil” has revealed an important clue about the origin of water on Earth. Researchers recently discovered that water on Comet 12P/Pons-Brooks, a rare galactic phenomenon known for its ...

Earth’s spin is not as steady as it looks. As ice melts and groundwater is pumped from deep aquifers to the surface, the planet’s mass is shifting, and with it the position of the rotational axis that ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. Each time you take a sip of water, you’re imbibing liquid that ...

Some 4.6 billion years ago, Earth was nothing like the gentle blue planet we know today. Frequent and violent celestial impacts churned its surface and interior into a seething ocean of magma—an ...

A planet-forming disk with more water than all of Earth's oceans has been discovered. The disk, which is located in the constellation Taurus, is 450 light-years away from Earth. Astronomers used the ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Researchers say ...

Oxygen isotope analysis of lunar soil shows meteorites delivered only a limited amount of water to the Earth–Moon system ...

Astronomers have detected an Earth-size planet candidate orbiting a nearby star once a year, making it a promising target for future studies.