— -- Goldilocks, like most fairy tales, offers children a lesson and a happy ending. Whether a Goldilocks planet offers astronomers something similar still hangs up in the air, with the story's ...

One of the main questions in exoplanet science concerns M dwarfs (red dwarfs) and the habitability of exoplanets that orbit ...

NASA's Transiting Exoplanet Survey Satellite (TESS) has spotted a 'super-Earth' planet orbiting in the habitable zone of a relatively nearby red dwarf star. The extrasolar planet or 'exoplanet,' which ...

The Alpha Centauri star system, located just four light-years from Earth, might host a giant planet in its habitable zone. The observation of a Saturn-sized planet by the James Webb Telescope in ...

Scientists say they may have discovered an exoplanet capable of supporting life. The planet, a super-Earth named HD 20794 d, is located just 20 light-years away. It has a mass six times that of our ...

WASHINGTON — A newly discovered planet is eerily similar to Earth and is sitting outside our solar system in what seems to be the ideal place for life, except for one hitch. It’s a bit too big. The ...

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 ...

There is only one planet we know of, so far, that is drenched with life. That planet is Earth, as you may have guessed, and it has all the right conditions for critters to thrive on its surface. Do ...

Astronomers from the University of Hawaii at Manoa and the University of California, Berkeley now estimate that one in five stars like the sun have planets about the size of Earth and a surface ...