The small world was found during a search for the hypothetical Planet Nine, and astronomers say the next time it will reach ...

Earth is full of surprises — and some of them look totally out of this world. This video explores stunning locations that could be mistaken for alien landscapes. From strange colors to bizarre rock ...

U.S. astronomers hunting for "Planet Nine" have instead stumbled on what appears to be a new dwarf planet in the solar system's outer reaches.

It's an evocative idea that has long bedeviled scientists: a huge and mysterious planet is lurking in the darkness at the ...

A new study may finally explain how planets can end up orbiting their stars at extremely large distances—sometimes hundreds ...

In the cold, dark outskirts of planetary systems far beyond the reach of the known planets, mysterious gas giants and ...

The Martian released 10 years ago, and showed humans on Mars in 2035. With another 10 years to go before that time finally ...

Methyl halides, detected in space, are key biosignatures in the search for extraterrestrial life, indicating potential ...

The Justice League is a superhero team that appears in American comic books published by DC Comics. The Justice League franchise has always welcomed some of the greatest superheroes in comic books.

NASA hasn’t landed humans on Mars yet. But thanks to robotic missions, scientists now know more about the planet’s surface ...

Here’s 11 ‘facts’ you were probably taught at school which were either never true in the first place or are no longer correct ...

The first Star Wars movie released in 1977 and George Lucas’ legendary tale of an epic space adventure has continued to capture the hearts and minds of the viewers to this day.