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 ...

The search for Planet Nine, a hidden world beyond Neptune, is heating up as scientists prepare to use a powerful new telescope.

CNN’s 5 Things newsletter is your one-stop shop for the latest headlines and fascinating stories to start and end your busy ...

If you care about the future of this planet and the future of the human race, you cannot afford to sit out this election.

During his second day in Cape Town, South Africa, Prince William took part in an Earthshot+ panel on Nov. 5, where he drove ...

It is "one of the most picture-perfect places to go for Christmas." The post One of the best Christmas getaways on the planet ...

“There is, even now, something of ill-omen amongst us. I mean the increasing disregard for law which pervades the country; ...

Everybody complains about the weather, but no one does anything about it,” Mark Twain used to quip, back when humans had only ...

From fearsome land mammals to deadly sea creatures, we rank the most terrifying animals that once roamed Earth.

The PS5 Pro does everything Sony promised it would, but is it worth upgrading if you already own a PlayStation 5?

I can’t really give up the storyline, but I’m going to [share] the idea,” he said. “I love Planet of the Apes. Planet of the ...

Planet Fitness is seeking to further grow its number of locations in a second bid for the Blink Fitness chain of workout ...