A quartet of small, rocky exoplanets likely circle Barnard's Star, around 6 billion light-years from Earth, putting them in contention as targets of missions for future human generations.

Using the Transiting Exoplanet Survey Satellite (TESS), an international team of astronomers has detected a new exoplanet orbiting a nearby star. The newfound alien world, designated TOI-2431 b ...

Astronomers discover GJ 2126 b, a giant planet with an extremely eccentric orbit, 124 light-years away, using HARPS data.

The exoplanet TRAPPIST-1 d intrigues astronomers looking for possibly habitable worlds beyond our solar system because it is similar in size to Earth, rocky, and resides in an area around its star ...

In a first, astronomers imaged a baby planet within a gap in the disk of material around a star, confirming predictions about how rings form.

NASA may have just found our second Earth - a planet so similar, it could be habitable for humans. But this is just the ...