Around 4.5 billion years ago, a planet called Theia is thought to have smashed into newborn Earth. The messy collision kicked ...

Far below your feet, nearly 1,800 miles beneath oceans and continents, Earth carries two massive scars from its violent youth ...

"During the early solar system's game of cosmic billiards, Earth was struck by a neighbor,” said Dauphas. “It was a lucky shot. Without the moon's steadying influence on our planet's tilt, the climate ...

Scientists traced the Moon's parent planet Theia to the inner Solar System, solving a 4.5-billion-year mystery.

NASA detects first “magnetic switchback” near Earth: an energetic change in your space shield that reveals new solar risks.

One of the most elegant theories about the origins of life on our planet is that it was kick-started by a delivery from outer ...

Geologically, the Himalayas stand as the most impressive natural monument on our planet Earth. Its snow-capped mountain peaks ...

Host Chris Morgan speaks with environmental author Ferris Jabr about his book Becoming Earth: How Our Planet Came to Life ...

New studies, which utilized AI to monitor the effects of climate change on Earth's spin, have shown that our days are getting increasingly longer and that our planet will get more wobbly in the future ...

Rockström is a research professor in earth system science at University Potsdam, the director of the Potsdam Institute for Climate Impact Research, and co-founder of the Planetary Guardians. The ...

You would have a hard time finding these common Earth rocks on our neighboring planets. Here’s what makes our landscapes so unique. Limestone landscapes, like this one in the Stone Forest in China’s ...