For the dwarf planet candidate, one trip around the sun takes over 24,000 years. Its orbit challenges a proposed path for a hypothetical Planet Nine.

Earth imaging satellite company Planet Labs (NYSE:PL) will be reporting earnings tomorrow afternoon. Here’s what investors should know. Planet Labs missed analysts’ revenue expectations by 1.2 ...

Lonely Planet was poised to publish a book about queer travel in 2019 or 2020. And then the world stopped. And so once they were ready to pick it back up, it was like 2022 or 2023.

Planet Fitness announced it wants to continue helping teens stay active over the summer, once again offering up free memberships to those ages 14 to 19 for the months school is not in session.

The theory puts the planet at around the same size as Neptune, far past Pluto somewhere near the Kuiper Belt, where 2017OF201 was located. 5. The four planets and sun of our solar system.

Scientists at the Institute for Advanced Study in Princeton, New Jersey, discover a new trans-Neptune Object, 2017OF201, potentially discrediting 2016 theory of Planet Nine.

Planet Fitness is offering its free high school summer pass to teens again this year, giving them access to one Planet Fitness club across Michigan from June 1-Aug. 31.

New Horizons spacecraft survives trip 1 billion miles beyond Pluto 02:03. It's an evocative idea that has long bedeviled scientists: a huge and mysterious planet is lurking in the darkness at the ...

Planet Fitness is once again kicking off its High School Summer Pass program, offering free memberships for teens across the country. Read for details.

A sizable world has been found in a part of the solar system that astronomers once thought to be empty. It probably qualifies as a dwarf planet, the same classification as Pluto.. Temporarily ...

It's an evocative idea that has long bedeviled scientists: a huge and mysterious planet is lurking in the darkness at the edge of our solar system, evading all our efforts to spot it.

There could be a ninth planet in our Solar System after all — and no, it’s not Pluto. Instead, it’s the theoretical Planet X, also called Planet Nine, a wide-orbit planet that would circle the Sun ...