If the object really is Planet Nine, it would be larger than Neptune and exist 700 times further from the sun than Earth.

The presence of another planet in the solar system could explain the odd movements of some of the bodies in the Kuiper Belt.

The environmental charity behind a number of high-profile recycling schemes went into voluntary administration this week.

An exoplanet discovered in 2020 contains the coldest temperatures ever measured on a planetary body, according to scientists.

Once a year, this planet passes through a celestial beehive typically seen in the night sky during the spring. And it's about ...

A diver on an expedition off the coast of Cabo San Lucas, Mexico, captured stunning footage showing the moment another swam ...

Catch some morning meteors, see the Moon reach First Quarter, and watch Mars visit the Beehive in the sky this week.

Yes, give us human beings credit. In our relatively brief history, it’s no small thing to have come up with two different ways of thoroughly devastating ...

Astronomers have detected a promising sign of a ninth planet lurking at the the farthest reaches of the Solar System.

The planetarium, located at 100 Center Ave., is open from 8 a.m. to 4 p.m. Monday and Tuesday; 8 a.m. to 7:30 p.m. Wednesday ...

A powerful cosmic event from 2004—a gamma-ray burst from a magnetar 30,000 light-years away—has just been revealed as a major ...

A federal candidate for the Riverina is standing by his comments slamming voters on social media, in a since-deleted post.