When evaluating possible planets out of the thousands out there, explained Prof. Bean, scientists look for liquid water as a main guiding principle. “All life on Earth needs liquid water, no matter ...

A distant gas giant the size of 10 Jupiters is now the first planet outside Earth's solar system to be mapped in three ...

The Penn State team discovered the exoplanet using the Habitable-Zone Planet Finder (HPF), a high-resolution spectrometer at the McDonald Observatory in Texas that operates in the near-infrared ...

Tests on olivine hint that water-rich exoplanets could generate H2O internally, possibly explaining ocean worlds and even some of Earth’s early water.

Space has a way of making scientists throw out their textbooks. Just when astronomers think they understand how the universe ...

Astronomers have discovered three Earth-sized planets orbiting two stars in the TOI-2267 system located 190 light-years away.

As more and more exoplanets are discovered throughout the galaxy, scientists find some that defy explanation—at least for ...

Scientists use James Webb Space Telescope to make 1st 3D map of exoplanet — and it's so hot, it rips apart water ...

Using NASA's planet-hunting spacecraft TESS (Transiting Exoplanet Survey Satellite), astronomers have discovered three ...

About 66 million years ago, an asteroid slammed into what is now Mexico, forming the Chicxulub crater. This impact wiped out ...

In 1978, Ride and five other women became the first group of female astronauts in the U.S. A new book by a longtime curator of spaceflight artifacts explores the nearly five-decade history of women in ...