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

Astronomers have found thousands of exoplanets around single stars, but few around binary stars—even though both types of ...

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 ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Planetary scientists are split, oscillating between two main theories that explain the order in ...

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

A rare triple conjunction of Venus, Mars and Mercury is happening on the opposite side of the solar system to where Earth is, ...

Armstrong Williams takes on the news of the week and asks the questions you want answered. by The Associated Press and KOMO News Staff SEATTLE — While the winter and early parts of spring are not ...