Pluto has long been one of the most debated celestial bodies in our solar system. Once classified as the ninth planet, it was redefined in 2006 as a dwarf planet, a decision that still sparks ...

Add Yahoo as a preferred source to see more of our stories on Google. Astronomers do not have a photo of Kepler-22b, but they used the so-called 'transit method' to detect it from 640 light-years away ...

A potential gas giant recently discovered orbiting in the habitable zone of one of the closest stars to Earth could have a moon capable of sustaining life — just like the alien world "Pandora" from ...

Growing up, I was taught that there were nine planets in the solar system. That all changed in 2006, when the International Astronomical Union voted to demote Pluto’s status to that of dwarf planet.

Just 4.3 light years from Earth lies a star called Alpha Centauri A, which is famous for being the nearest star that resembles our own Sun. In the popular Avatar movies, this star's system is home to ...

TUCSON, AZ. — The University of Arizona has unveiled groundbreaking images of young planets using a new instrument, MagAO-X, that offers unprecedented detail. Astronomers at the University of Arizona ...

A new study argues that a real-life “Jurassic World” could currently exist, just on another planet. Planets far away from Earth could be harboring species that resemble Earth’s dinosaurs and humans ...

Caltech researchers have found evidence of a giant planet tracing a bizarre, highly elongated orbit in the distant solar system. The object, which the researchers have nicknamed Planet Nine, has a ...

“Dune: Part II” is one of the year’s most highly anticipated films, and it picks up where the first film left off: with Paul Atreides escaping into the desert on the planet Arrakis. It’s a ...

Just 4.3 light years from Earth lies a star called Alpha Centauri A, which is famous for being the nearest star that resembles our own sun. In the popular Avatar movies, this star's system is home to ...