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

Astronomers have long faced a strange contradiction: most stars are born in pairs, and ...

In theory, a planet may be able to orbit a binary star system in a figure of eight, but it may not be particularly stable, explain our readers ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. An illustration showing Planet Nine, a hypothetical, undiscovered planet in our solar system. New research now suggests the ...

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

There have been questions about a mysterious ninth planet in our solar system for nearly a decade. Pluto was unseated as number nine in 2006. Now, a group of international researchers say they may ...

A rare discovery beyond Neptune is forcing scientists to rethink early solar system dynamics and the forces that shaped ...

Five exoplanets orbit the red dwarf star L 98-59, about 35 light-years away. In the foreground is a newly discovered super Earth, known as L 98-59 f. Credit: Benoit Gougeon / Université de Montréal ...

Discover the only planet in our solar system that rotates clockwise. Learn why this 'rebel' planet spins backwards, how a ...

Our solar system today has eight planets. Till a few years back, Pluto was our ninth planet, until it was demoted to a dwarf planet. But some studies suggest that the ancient solar system once still ...