Reach for the stars with our guide to the best dark-sky reserves on the planet, from the French Pyrenees to the Atacama ...

Data from the Gaia spacecraft shows that even unassuming stars can host monumental companions like massive planets.

By tracing the corkscrew wobble of two stars as they move through the sky, the Gaia space mission has discovered one new ...

Astronomers have long relied on two main methods to detect exoplanets—the transit method, which looks for dips in a star’s ...