For more than 25 years, humans have lived and worked continuously aboard the International Space Station, conducting research ...

Grab-and-go missions to asteroids have provided some of the most scientifically valuable samples since the Apollo ...

In an investigation to find out what sparked life on Earth, researchers have discovered that RNA formed through surprisingly ...

The moon's surface may be more than just a dusty, barren landscape. Over billions of years, tiny particles from Earth's atmosphere have landed in the lunar soil, creating a possible source of ...

Space technology on Earth has gone from futuristic to foundational in our everyday lives. From satellite innovations that enable global communication to space science applications improving ...

Earth’s rotation is slowly slowing, scientists say, meaning days are getting longer, though the change takes millions of years, raising intriguing questions about how time, life and the planet quietly ...

For decades, scientists have been baffled by two enormous, enigmatic structures buried deep inside Earth with features so vast and unusual that they defy conventional models of planetary evolution.

A rapid climate collapse during the Late Ordovician Mass Extinction devastated ocean life and reshuffled Earth’s ecosystems.

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

April brings us Citizen Science Month and Earth Day—that means it’s the perfect time to get outside, explore nature, and even help real scientists with their research! You don’t need to be an expert, ...