A mysterious "rogue" planet has been observed gobbling six billion tons of gas and dust a second—an unprecedented rate that blurs the line between planets and stars, astronomers said Thursday.

Are we alone in the universe? While no one can say for sure, space scientists know where to start looking—exoplanets. An exoplanet is a planet beyond the cradle of Earth’s eight-membered solar system.

Our own planet represents a tiny fraction of the peculiar phenomena that can be found lurking throughout the cosmos, and ...

"A planet orbiting not just a binary, but a binary brown dwarf, as well as being on a polar orbit, is rather incredible and exciting." Scientists have perhaps discovered the weirdest planetary system ...

Exoplanet hunters Christopher Watson and Annelies Mortier explain the long search for a 'twin Earth' capable of sustaining ...

Scientists using NASA's James Webb Space Telescope now think the "little red dots" spotted in the early universe could be a new kind of space object. They call it a "black hole star." - T. Müller / A.

Astronomers love it when the cosmos throws them a curve ball. It’s all very well to peer deep into the universe and turn up just what you expect to find, but discovering something inexplicable is a ...

On October 6 1995, at a scientific meeting in Florence, Italy, two Swiss astronomers made an announcement that would transform our understanding of the universe beyond our solar system. Michel Mayor ...

Emerging evidence suggests that plate tectonics, or the recycling of Earth's crust, may have begun much earlier than ...

For all the talk about life across the cosmos, Earth remains the only confirmed example. That single data point makes your ...

(Handout/EUROPEAN SOUTHERN OBSERVATORY/AFP) A mysterious "rogue" planet has been observed gobbling six billion tonnes of gas and dust a second -- an unprecedented rate that blurs the line between ...