A new study examines how much material from the closest star system to Earth will end up in orbit around the Sun, and how ...

In a groundbreaking new study, researchers have unveiled the existence of a “cosmic highway”—a pathway of interstellar material from the Alpha Centauri system that may already be linking our solar ...

A unique dataset of Type Ia supernovae being released today could change how cosmologists measure the expansion history of ...

The female reproductive system includes internal and external organs, each designed to carry out varying functions. Learn more about the anatomy of this system.