In a solar system far, far away NASA have discovered a planet which they think 'might be remarkably similar to Earth', though ...

A young star called V1298 Tau is giving astronomers a front-row seat to the birth of the galaxy’s most common planets. Four massive but extremely low-density worlds orbiting the star appear to be ...

Are planets in the solar system that are closer to the Sun older than the ones further away? – Gavriel, age 10, Paducah, Kentucky A cloud of collapsing gas created our Sun, the first thing to form in ...

Researchers estimate that the planet has about a 50% chance of being in its star's Hoble zone.

Add Yahoo as a preferred source to see more of our stories on Google. Digital art of distant planet - Dottedhippo/Getty Images On August 24, 2006, our solar system lost a planet. It wasn't by ...

When people speak of the northern lights, they are typically referring to Earth’s spectacular display of aurora borealis: ...

New simulations suggest Jupiter holds far more water than once thought, reshaping ideas about how the largest planet formed.

These icy bodies orbit the sun just like the major planets, yet they follow their own rules, often traveling along elongated ...

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.