Thanks to an enormous stroke of luck and serendipitous timing, astronomers were able to calculate the mass and distance of a ...

Astronomers have, for the first time, pinned down both the mass and distance of a planet that drifts through the galaxy ...

In a new study, a team of astrophysicists, including two researchers at CU Boulder, have discovered a small and rocky world orbiting a star far from Earth—similar to our own planet, perhaps, but much ...

Planets usually stay close to their host stars, tracing steady paths shaped by gravity. Yet some planets break free and drift ...

Newly developed tool helps parse data and detect planets smaller than Neptune around young stars, providing insight into their formation UNIVERSITY PARK, Pa. — A combination of cosmic processes shapes ...

The exoplanet Gliese 12 b is tantalizingly close and moderately warm, situated just 40 light-years away around a red dwarf star. The potentially habitable planet could be a good place to search for ...

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A team of astronomers led by John Johnson of the University of Hawaii’s Institute for Astronomy has used a new technique to measure the precise size of a planet around a distant star. They used a ...

Is our Milky Way galaxy home to other planets the size of Earth? Are Earth-sized planets common or rare? NASA scientists seeking answers to those questions recently revealed their discovery. “We went ...

When NASA's next-generation space observatory launches in a few years, the Nancy Grace Roman Space Telescope will expand the search for exoplanets as well as rogue planets, or worlds that travel ...

Welcome to Earth, extreme edition. In a new study, a team of astrophysicists, including two researchers at the University of Colorado Boulder, have discovered a small and rocky world orbiting a star ...