Within weeks of Royal Caribbean’s nine-month-long world cruise setting sail in December 2023, the voyage unexpectedly became the center of a social media storm. The prospect of nine months on a ...

Some experts believe that the solar system's hypothetical ninth planet could be just a few years away from being discovered. If this is the case, how long would it take for humans to send probes to ...

Astronomers have been scouring the outer solar system for signs of a hypothetical ninth planet for almost a decade, without success. However, we may finally be on the cusp of finding it, experts say.

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Our solar system ...

If the object really is Planet Nine, it would be larger than Neptune and exist 700 times further from the sun than Earth. When you purchase through links on our site, we may earn an affiliate ...

Nine PBS in St. Louis has raised $19.3 million for its capital campaign supporting renovation of its headquarters and an impact fund focused on its early education and community initiatives. The ...