It's remarkably similar to Earth.

The planets have been nicknamed Earth's seven sisters. — -- An international team of astronomers has discovered seven potentially habitable exoplanets — or planets outside our solar system — that ...

From this, the team deduces that the new planet, if fully confirmed, is similar to Saturn or Jupiter in size and is in the habitable zone of the star, where its surface temperature is estimated as 225 ...

Scientists may need to broaden their horizons in their search for alien life.

A team of astronomers and citizen scientists has discovered a planet in the habitable zone of an unusual star system, including two stars and potentially another exoplanet.

A team led by UdeM researchers confirms a fifth potentially habitable planet around L 98-59, a red dwarf 35 light-years away. A team led by the Trottier Institute for Research on Exoplanets (IREx) at ...

If confirmed, this exoplanet would be the only known rocky world in the habitable zone of a Sun-like star.

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Scientists studying the rocky exoplanet TRAPPIST-1e may have found hints of an atmosphere. If confirmed, it could be an important step toward finding a habitable world outside our solar system. When ...

Scientists analyzing old data from NASA's Kepler Space Telescope have discovered an Earth-size exoplanet candidate that looks ...

Australian researchers have made a discovery of a potentially habitable planet 150 light years away - but there’s a catch to ...

Late-stage planetary collisions reshaped Earth and its neighboring planets, delivering water, altering their atmospheres, and influencing their tectonics. New findings suggest these violent impacts ...