Scientists did not find a robust atmosphere around TRAPPIST-1d, an Earth-size exoplanet many hoped would show signs of having air. Credit: NASA / ESA / CSA / J. Olmsted illustration As scientists ...

Scientists have identified three Earth-sized planets orbiting two stars in the TOI-2267 system. Remarkably, planets transit ...

As telescopes have become more powerful, we’ve been finding tons of “exoplanets”—planets orbiting faraway stars. One such planet, known as exoplanet TRAPPIST-1 d, has intrigued astronomers looking for ...

After nearly a decade of groundbreaking exploration, NASA’s Kepler Space Telescope concluded its mission, leaving a lasting ...

An international team of astronomers has confirmed the discovery of three Earth-sized planets in the binary star system ...

The exploration of binary star systems reveals surprises that challenge our conceptions of planetary formation. Thanks to NASA's TESS satellite, specialized in hunting exoplanets, an ...

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 ...

CAPE CANAVERAL, Fla. (AP) – For the first time, astronomers have discovered seven Earth-size planets orbiting a single nearby star – and these new worlds could hold life. This cluster of planets is ...