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

Children love to play pretend, holding imaginary tea parties, educating classrooms of teddies or running their own grocery stores. Now, a new study suggests that such make-believe play is not a ...

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

Humans haven’t been back to the moon since the Apollo moons program ended over five decade ago. The reasons why go beyond science, according to experts.

Richard Carrington’s name has long been connected with the most intense solar storm ever recorded, but his face was unknown until a lost portrait surfaced.

Ahead of the anticipated launch of the Artemis II mission, catch a glimpse of February’s full moon, called the snow moon.

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.

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