Trump’s budget would cut NASA’s $7.33 billion science budget nearly in half. The administration’s argument is simple: NASA ...

Just the third-ever confirmed interstellar object has been detected in our solar system. Here's what we know. (Spoiler: It's ...

NASA has discovered a new interstellar comet that's currently located about 420 million miles away from Earth. The space ...

NASA's newest rocket makes launch pad debut 01:52. NASA has discovered more than 5,000 planets outside of our solar system – but so far, Earth is the only one that appears to have the right ...

Until now, most of the verified planets outside our solar system were sized more like strapping Jupiter, which is 87,000 miles across, than like shrimpy Earth, which is not quite 8,000.

The planet, dubbed Kepler-90i, is a hot, rocky planet that orbits its star every 14.4 days, and was found with the help of artificial intelligence, NASA said Thursday.

NASA uses what they call the “transit method” to identify exoplanets. Getty Images Some 31% of the exoplanets are Super-Earths – a term that refers to a planet’s size and means it is ...

Exoplanets are any planet beyond our solar system; some orbit other stars and some are free-floating. NASA says there are likely billions more exoplanets, with the first discovery dating back to 1992.

NASA also followed up with a study using the Hubble Space Telescope to determine whether the planets were rocky, or likely had a “puffy” atmosphere like those of our own system’s gas giants.

Astronomers just announced a breaking discovery that has a monumental impact on life beyond Earth: A planetary system with a number of Earth-sized planets that could host liquid water and, thus, life.

The first planets confirmed outside our solar system were discovered in 1992, with the identification of three planets orbiting a neutron star known as a pulsar.Pulsars rotate incredibly fast and ...

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