Add Yahoo as a preferred source to see more of our stories on Google. Scientists have seen a new Jupiter-like exoplanet forming, in an unusual way that could change our understanding of how planets ...

Not all of the solar system’s building blocks formed simultaneously. Some of the first solid bodies, or planetesimals, formed in the first million years after the Sun was born. Others, including the ...

NASA’s Hubble Space Telescope has made a new discovery — directly photographing evidence of a Jupiter-like protoplanet forming through what researchers describe as an "unconventional" and "intense and ...

There are more moons than planets in our solar system. Yet convincing evidence of moons among the nearly 5,000 known extrasolar planets has been scant … until now. This image shows the PDS 70 ...