As much as 45 oceans’ worth of hydrogen may be in Earth’s core, scientists reported, suggesting most of Earth’s water was ...

Scientists found a 307 million-year-old fossil, Tyrannoroter heberti, revealing one of the earliest known land vertebrates ...

Sign up for CNN Science’s pop-up newsletter covering NASA’s Artemis II mission, which will take four astronauts on a 10-day ...

A planetary system 116 light-years from Earth has a peculiar pattern. It could flip the script on how planets form, scientists say.

A doctoral student recreated a tiny piece of the universe in a bottle to investigate the chemistry that led to life on Earth.

Every single curling stone in the Winter Olympics is crafted from a special granite found only on Ailsa Craig, a small uninhabited island off the coast of Scotland.

These cozy-looking “potato beds” went viral on social media with users claiming they slept better than ever. So, CNN gave it a try and brought in a sleep expert to see if there was any science behind ...