What planet is most like Earth? Reseachers have identified several exoplanets similar to our planet, but none that are an ...

Hints of ancient microbes in Martian rocks and a revived theory about our cosmic ancestry are forcing scientists to rethink ...

Just off a quiet Aegean shoreline, scientists have stumbled onto a seafloor landscape that looks less like a Mediterranean ...

Researchers have confirmed the mass of a free-floating planet thanks to a lucky convergence of ground- and space-based ...

Astronomers believe the free-floating planet is around 22 percent the mass of Jupiter and lies 3,000 parsecs from the Milky ...

New images from NASA 's Hubble Space Telescope have revealed an enormous, oddly shaped disk of gas and dust around a single ...

Astronomers just measured the mass of a free-floating planet without a star for the first time ...