K2-18b, an exoplanet 120 light-years away, may be the best hope to confirm that life exists beyond Earth. Here's what to know ...

Earth's Northern Lights typically dance near the poles, but 41,000 years ago, they lit up skies over North Africa and ...

We've deployed so many satellites into space over the last few decades that we now have a massive orbital junk problem. The ...

A suitcase-sized quantum sensor could soon reveal hidden water, oil, and even underground mountains—all by tracking how atoms ...

The mission, jointly operated by the United States and India, will measure minute changes to land, ice, and ecosystems around ...

"You look back at Earth and it's this beautiful jewel. It was quiet. It felt like it was breathing. It was so alive," Sánchez ...

The changes in ocean chemistry were gradual. The Archaean period lasted 1.5 billion years. This is more than half of Earth’s ...

The sun may rise every morning, but the amount of sunlight reaching Earth's surface can substantially vary over decades, ...

Over 4.6 billion years ago, Earth took shape from a spinning cloud of dust and gas surrounding the young sun. Tiny particles ...

"CBS Mornings" Gayle King and the rest of Blue Origin's historic all-women spaceflight crew blasted off on Monday.