Exoplanets, or extra-solar planets, are planets that orbit stars outside our solar system. What have scientists found deep in space? Science Trek is available to stream on pbs.org and the free PBS ...

In 2023, scientists made some pretty smashing exoplanet discoveries. Here are the highlights.

On Wednesday, NASA quietly uploaded a 19-minute mini-documentary about exoplanets, and the search for a planet or moon that has similar characteristics to Earth. The hope, of course, is that if we ...

Why our knowledge of exoplanets, worlds that are beyond our solar system, has exploded in the last three decades.

NASA's Transiting Exoplanet Survey Satellite (TESS) will monitor more than 200,000 stars to discover thousands of exoplanets, ranging from Earth-sized to gas giants.

The European Space Agency (ESA) is set to launch a first-of-its-kind exoplanet telescope, which will perform detailed studies of hundreds of known worlds beyond the Solar System. The mission ...

Astronomers report the first exoplanet jointly discovered through direct imaging and precision astrometry, a new indirect method that identifies a planet by measuring the position of the star it ...

For centuries, planets beyond our solar system—called exoplanets—existed only in theory and science fiction. It seemed nearly impossible to detect planets light-years away, since the ...

On an exoplanet called GJ 367 b that’s orbiting a star 31 light-years away from our sun, a year only lasts for about eight hours.

Exoplanet habitability depends on a whole host of factors, with liquid water at the top of the list. It also requires a stable atmosphere, the right chemistry, and possibly even things like plate ...