Astronomers have confirmed the existence of four rocky planets orbiting Barnard’s Star, our nearest solitary stellar neighbor ...

The confirmed discovery of exoplanets revolutionized our understanding of the universe. Among the thousands of confirmed ...

NASA has discovered a new world, named Gliese 12 b. It is roughly the size of Earth, lies in the habitable zone, and orbits every 12.8 days.

Explore the theories behind this great mystery. The universe is vast, ancient, and teeming with billions of potentially habitable planets. With so many chances for intelligent life to arise ...

An international team of researchers has discovered a super-Earth that will allow astronomers to test new hypotheses in the quest for life in the Universe. Thirty years after the discovery of ...

Only the three stars that make up the Alpha Centauri system lie closer to us. The planets newly discovered around Barnard’s ...

What drives us to send probes throughout the solar system and rovers and landers to Mars? It's not cheap, and it's not easy.

That said, the outer planets may still harbor plenty of water that hasn't been lost to space. These outer worlds are intriguing to scientists because they are in the so-called "habitable zone" of ...