As technology continues to progress, though, could we uncover a new one? Astrophysicists don't know if there are ...

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 ...

They sometimes call it the Goldilocks zone — not too hot, not too cold. The habitable zone is the region of our Solar System ...

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 ...

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.

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

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

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

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

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

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

A sequence of events during the evolution of certain rocky planets orbiting M-dwarfs, the most common stars in the universe, ...