There are no confirmed exomoons, moons orbiting distant exoplanets in other solar systems. There are a few candidates, but ...

Searching for life on other planets requires more than just measuring their distances from their stars. A future NASA ...

A newly detected super-Earth just 20 light-years away is giving scientists one of the most promising chances yet to search ...

The planets have been nicknamed Earth's seven sisters. — -- An international team of astronomers has discovered seven potentially habitable exoplanets — or planets outside our solar system — that ...

The James Webb Telescope is reshaping our understanding of distant worlds, revealing exoplanet atmospheres, potential ...

In 1995, a pair of scientists discovered a planet outside our solar system orbiting a solar-type star. Since that ...

Make room, earthling. We’re moving the other planets in our Solar System into our planetary neck of the woods.

Water isn't just delivered to planets by comets and asteroids — it can also be forged as worlds form, a new study finds.