HOUSTON (AP) — Still aglow from their triumphant lunar flyby, the Artemis II astronauts put in a call to their friends aboard ...

Newly discovered fossils have given scientists their first real glimpse of when Earth made a crucial transition from plants and unrecognizably simple animals to the complex creatures that ...

A remarkable fossil discovery in southwest China is rewriting the story of how complex animal life began, showing that many key animal groups appeared millions of years earlier than scientists once ...

Stacker has chronicled social, scientific, and business inventions that changed America over hundreds of years.

Newly discovered fossils have given scientists their first real glimpse of when Earth made a crucial transition from plants ...

Newfound fossils from China suggest that complex animals were around millions of years earlier than thought, among them ...

Dying stars may be wiping out nearby giant planets as they expand into red giants. Astronomers found that these close-in planets become increasingly rare around more evolved stars, suggesting many ...

Learn how a flip in Earth's magnetic field may have caused changes in the radiation on our planet.

Fossils in China show that complex animals existed before the Cambrian explosion, changing our understanding of how life ...

A breakthrough discovery in Utah has revealed a 500-million-year-old chelicera fossil that is the oldest known spider and ...