After a decade-long search, some scientists say a growing number of clues point to the existence of a hidden planet in the Kuiper Belt beyond Neptune — and they may soon have the opportunity to find ...

"This gas cloud located 500 light years away from our solar system is about to become a planet.This process usually takes a ...

"Get a free What If Top 10 book when you sign up for our newsletter: Earth is the only life-supporting planet in our Solar ...

Tiny grains from a distant asteroid are revealing clues to the magnetic forces that shaped the far reaches of the solar ...

You may need binoculars or a telescope for this one. It includes the three furthest planets in our solar system.

It would depend on a lot, say our readers, from how big it was to the route it took - but it could have significant ...

A new study by Penn State and the SETI Institute explored alien signal detection in the TRAPPIST-1 system using innovative ...

The Subaru Telescope has discovered new objects beyond the known Kuiper Belt, suggesting a more complex structure at the edge ...

Astronomers have been trying to find a new planet beyond the orbit of Neptune for several decades, but all to no avail. Its nickname is Planet Nine; supposing this planet exists, it could help explain ...

Our ability to detect planets outside our Solar System is becoming more refined. Thus, astrophysicists can now detect exoplanets still nestled within the dust cloud that witnessed their birth, right ...

But what if we tell you there are plenty of moons in our solar system that are as beautiful or even more marvellous as the ...

The search for Planet Nine, a hidden world beyond Neptune, is heating up as scientists prepare to use a powerful new telescope.