NASA has been monitoring a never-before-seen planet in its solar system, which is eight times the size of Earth. The ...

As planets pass in front of their parent stars as viewed from Earth, they cause a tiny dip in the amount of starlight we ...

If an extraterrestrial civilization existed with technology comparable to ours, would they be able to detect Earth?

The exoplanet HD 20794 d takes 647 days to orbit its star, around 40 days less than Mars. Instead of following a relatively circular orbit, like the Earth or Mars, HD 20794 d follows an elliptical ...

Astronomers have found some pretty wild exoplanets. Some are balls of lava the temperature of hell, one is partially made of ...

HD 20794 d completes its orbit just shy of two Earth years, placing it well within reach of conditions that might harbor life ...

WASP-121b is like nothing in the solar system, raining liquid metal and being puffy like a marshmallow. The origins of these ...

A super-Earth planet that dips in and out of its star's habitable zone has been discovered just 19.7 light-years away.

Abundance of Earth-like Exoplanets The universe has no shortage of similarities to Earth when it comes to celestial ...

New research points toward an exoplanet that may be capable of supporting life 20 light-years away from Earth.

A newly confirmed exoplanet around a nearby sunlike star might be astronomers’ best chance yet to look for life beyond the ...

An exoplanet is a planet outside our solar system that usually orbits a star in our galaxy. More than 7,000 have been found ...