In principle, discovering new exoplanets is pretty easy. Simply measure the brightness of a star over time, and when a planet passes in front of the star, the brightness will dim slightly. The more ...

Jupiter goes around its star in 180 days, which is a long time compared with most exoplanets we've discovered.

Space telescopes are revolutionizing exoplanet discovery, allowing astronomers to detect Earth-like worlds orbiting distant stars. By observing subtle dimming of starlight, measuring gravitational ...

An illustration of what it might look like to visit Kepler 16 b, a nearby exoplanet with twin suns. Credit: NASA Imagine a planet where molten diamond rains from the sky, hurled sideways by winds that ...

The hunt is on for terrestrial exoplanets in habitable zones, and some of the most promising candidates were discovered almost a decade ago about 40 light-years from Earth. The TRAPPIST-1 system ...