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 ...

Are there hidden planets in our solar system? New technologies, like the powerful Rubin Observatory, brings us closer to ...

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 ...

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

How old is Earth? Our planet's age is known from a variety of sources, from rocks on our own planet to ones from the moon.

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

Astronomers are investigating the possibility of a hidden ninth planet beyond Neptune, which could explain unusual orbital patterns in the Kuiper Belt.

Space.com talks to artist and author Martin Vargic, who is turning exoplanets into stunning and intricate art.

Tiny grains from asteroid Ryugu are revealing clues to the magnetic forces that shaped the far reaches of the solar system over 4.6 billion years ago. The findings suggest the distal solar system ...

"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 ...

Think you know Earth? Think again! From our planet's powerful magnetic field to the oceans and life-sustaining atmosphere, ...

A prime focus in this search is rocky planets orbiting low-mass stars called M-dwarfs, the most common type of stars in the ...