By Will Dunham WASHINGTON, Feb 4 (Reuters) - Jupiter, without a doubt, is the biggest planet in our solar system. But it ...

NASA’s Juno spacecraft finds Jupiter’s diameter slightly smaller than old estimates, providing precise data on the gas ...

Jupiter, without a doubt, is ⁠the biggest planet in our solar system. But it turns out that it is not quite as large – by ...

As elementary schoolers, we learned the order of the planets. Maybe your teacher even had a snappy mnemonic like “My Very Educated Mother Just Served Us Nine Pizzas” or “My Very Educated Mother Just ...

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 ...

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 ...

Astronomers have recently tracked a massive rogue planet, referred to as a “super-Jupiter,” that is drifting toward our solar neighborhood. This discovery has captured the attention of the scientific ...

NASA’s Kepler mission has discovered the first Earth-size planets orbiting a sun-like star outside our solar system. The planets, called Kepler-20e and Kepler-20f, are too close to their star to be in ...

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 ...