Earth's unusual orbit through hot and cold conditions tests the limits of tolerability for any known lifeforms.

Out of all the planets in the Universe, Earth is clearly the best for life, right? Wrong. Earth may be great, but scientists ...

It was just a rock, but when Timothy Lyons picked it up, he knew the Earth had stories to tell, and he wanted to find out ...

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

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

Well, we could be closer to discovering whether there really is alien life out there after researchers discovered a new ...

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

Scientists found an intriguing world in our galaxy.

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

An international team, including researchers from UNIGE and NCCR PlanetS, has discovered a super-Earth, referred to as HD ...

The study of exoplanets has come a long way since the first detection of a planet orbiting a star other than the Sun in 1995.

Astronomers have discovered HD 20794 d, a super-Earth orbiting in the habitable zone of a star just 20 light-years away. This ...