Almost 20 years after Pluto was infamously downgraded from its status as a planet, scientists now believe they have discovered a new planet in our solar system.

A fascinating glimpse into how a solar system like our own is born has been revealed with the detection of planet-forming ...

Planetes means “wanderers” in ancient Greek, referring to the fact that as the planets and Earth orbit the sun, those dots of light in the sky appear to move relative to the background stars.

(CNN) — After decades of searching, astronomers have uncovered some of the strongest evidence yet of exoplanets orbiting Barnard’s Star, the nearest single star system to Earth. The four ...

A new Tatooine-like planet outside the solar system may orbit two failed stars, scientists reported Wednesday. Located about 120 light years away, the exoplanet appears to take an unusual path ...

Scientists may have found a new Tatooine-like planet outside the solar system that orbits two failed stars. Located 120 light years away, the planet appears to take an unusual path around two ...

By Ashley Strickland, CNN (CNN) — After decades of searching, astronomers have uncovered some of the strongest evidence yet of exoplanets orbiting ...

The search for nearby planets. While the Proxima Centauri system is the closest to our solar system at a distance of 4.25 light-years away, it comprises three stars circling one another, making ...