SIGNS of an alien planet that’s about the same size as Earth have been picked by up a Nasa telescope. Scientists say it might ...

SHOCKED astronomers have spotted a “rogue” planet that defies historic theories. A unique “inside out” planetary system with a distant rocky world turns our ...

An international team of astronomers has discovered a distant planetary system that challenges long-standing theories of how ...

Planetary systems in the Milky Way galaxy tend to follow a particular pattern: rocky planets toward the center, closest to ...

General relativity helps explain the lack of planets around tight binary stars by driving orbital resonances that eject or destroy close-in worlds. This process naturally creates a “desert” of ...

Astronomers have long wondered why planets orbiting two stars like the iconic Tatooine in Star Wars are so rare. You would expect them to be everywhere, really. Most stars form with planets, and a ...

According to these calculations, Earth's total lifespan will be about 9.5 billion years.

Scientists have identified a rocky outer planet in a system where a gas giant was expected. The discovery challenges ...

Astronomers have uncovered a distant planetary system that flips a long-standing rule of planet formation on its head. Around the small red dwarf star LHS 1903, scientists expected to find rocky ...

Astronomers have long believed that planetary systems follow a familiar blueprint. Small rocky planets ...

FROM satellites turned into missiles and worldwide blackouts sparking carnage on the streets, all-out war in space is becoming less of a distant sci-fi dream. For centuries, wars have been fought ...

Astronomers have found thousands of exoplanets around single stars, but few around binary stars—even though both types of stars are equally common. Physicists can now explain the dearth. Of the more ...