To get a better picture of what such a lush ocean world could’ve looked like, an international team of researchers used ...

Cartographers rely on the authority of maps to communicate locations, guide navigation at sea, and shape people’s perceptions ...

That would make it thousands of times more massive than any moon orbiting a solar system plane  — so massive it could make ...

Minnesota's vastness measures up to Uganda's biodiversity and Ghana's rich culture, alongside Romania's castles and Laos' ...

Planets travel alone in space, without a parent star. These wandering worlds, far from being rare, might even be extremely common, offering a new and unprecedented view of our galaxy. To detect these ...

Astronomers have detected a massive, lonely world drifting through the darkness without a star to call home. This Saturn-sized rogue planet was discovered by an international team of scientists using ...

When we imagine a planet, we think of one like ours, orbiting a star. But some have a far lonelier existence, drifting through interstellar space without a sun to call their own. Known as “rogue” or ...

TRAPPIST-1e, an Earth-sized world in the system’s habitable zone, is drawing scientific attention as researchers hunt for signs of an atmosphere—and potentially life-supporting conditions. Early James ...

A new study has proposed the existence of Planet Y, an alternative Planet Nine candidate that is smaller and closer to Earth than the hypothetical Planet X, which astronomers have been hunting for ...