Oumuamua is the first known interstellar object to enter our solar system, sparking debate with its strange shape, speed, and ...

Researchers Nathan A. Kaib and Sean N. Raymond assessed the impact of passing stars on the long-term stability of the Solar ...

Jupiter, roughly 562 million miles from Earth today, has nearly 100 moons. But Batygin and his collaborator Fred Adams' ...

A recent study found that Jupiter was once twice the size that it is now, making it big enough to swallow up 2,000 Earths.

A team of astronomers believe they may have discovered a new dwarf planet—just like Pluto—on the edge of our solar system.

It’s possible that this object was first ejected to the Oort cloud, the most distant region in our solar system, which is home to many comets, and then sent back,” Cheng adds. The size of 2017 ...

A new memorandum has firmed up China and Russia's intent to lead the construction of a new lunar base to be completed by 2036, as NASA talks about scaling back its own lunar ambitions.

Plane X would have a 'mass of about five Earths', an expert told Metro.

Astronomers have discovered a massive hydrogen cloud, known as Eos, shining brightly in ultraviolet light near our solar ...

You can get in touch with Alyce by emailing a.collins@newsweek.com A team of astronomers believe they may have discovered a new dwarf planet—just like Pluto—on the edge of our solar system.

A new telescope project called the Next-Generation Very Large Array will revolutionize radio astronomy if it gets the funding ...

Once thought to be a barren, rocky body, known as Ceres, it is now revealing itself as something far more interesting, in the ...