Exoplanets are planets outside Earth's solar system. In 1995, a gas giant named 51 Pegasi b, which orbits a star similar to Earth's sun, etched its name in history as the first exoplanet ever ...

Our search for exoplanets is focused on Milky Way stars. It's been successful, with more than 6,000 detected so far.

Worlds upon worlds await us in the cosmos and we’re finding more all the time. Before 1992, we weren’t even completely certain planets existed outside of our solar system. Now, astronomers are finding ...

Those intrigued by the possibility of life beyond our own solar system need not book an intergalactic flight to satiate their curiosities. They need only make a trip to Joliet. The Joliet Public ...

A new traveling exhibition on exoplanets features interactive multimedia stations for kids and adults to learn about exoplanets, which are planets outside the solar system. The exhibit's part of the ...

The exoplanet is believed to be one of the farthest known from Earth. This artist's map of the Milky Way shows the location of one of the farthest known exoplanets, lying 13,000 light-years away. Most ...