An analysis of the first three years of data from NASA’s Kepler mission, which already has discovered thousands of potential exoplanets, contains good news for those searching for habitable worlds ...

Add Yahoo as a preferred source to see more of our stories on Google. An illustration of an ice covered rogue planet. New predictions suggest an upcoming NASA space telescope could spot over 400 Earth ...

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 ...

The planet's radius from pole to center has been revised to 66,842 km, and at the equator to 71,488 km. That makes it about ...

The biggest planet in our Solar System just got a little smaller. Okay, not physically, but our measurements of Jupiter just ...

Our galaxy may have acquired some new real estate. NASA has discovered an Earth-size planet orbiting around a faraway star — and it could be habitable. Dubbed TOI 700 e, the exoplanet is the fourth ...

Using publicly available data from NASA’s Kepler space telescope, astronomers at the Harvard-Smithsonian Center for Astrophysics (CfA) estimate that six percent of red dwarf stars in the galaxy have ...

The dichotomy arises during the first 50 million years of planetary history. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Supercomputer ...

Determining the size of an Earth-size exoplanet by the amount of starlight it blocks hundreds of light-years away once was the realm of science fiction. Measuring the mass of such a small planet based ...

Astronomers have confirmed a Saturn-size world drifting alone in deep space roughly 10,000 light-years from Earth, a discovery that turns a once-theoretical idea into a measured reality. The planet ...