A new instrument being built by the Harvard-Smithsonian Center for Astrophysics for use in the Canary Islands will help NASA's planet-scouting Kepler spacecraft confirm and characterize potential ...

This story was updated at 12:51 p.m. EDT. More than 50 new alien planets — including one so-called super-Earth that could potentially support life — have been discovered by an exoplanet-hunting ...

Orange dwarfs are intriguing stellar candidates for supporting life, as they’re less active than Red dwarfs, but produce less radiation that Yellow dwarfs. A new study from an international team of ...

A radial-velocity curve based on 17 McDonald Observatory coudé spectra shows the following results when compared with other velocities: (1) no variation in mean velocity, implying no detectable ...