This week, learn why experts are divided over an exoplanet, see the first footage of a colossal squid in its deep-sea habitat ...

Astronomers have made a detection suggesting biosignatures, or signs of biological activity, on an exoplanet located 124 ...

Scientists urged caution against raising hopes about the existence of actual living organisms beyond Earth, but said they ...

A molecule detected on a planet 124 light-years away is produced on Earth by decaying phytoplankton and other microbes. There ...

Earth science concentrates on investigating how the planet works and why. This field delves into the many layers of the Earth and explains how those pieces fit together into a cohesive structure.