The newly identified cluster of Kuiper Belt objects lies about 4 billion miles from the Sun, offering fresh clues about how ...

New models suggest Uranus and Neptune may hold far more rock than expected, raising questions about how these distant planets formed.

The post New Research Calls Into Question Whether Uranus And Neptune Are Ice Giants After All first on TwistedSifter.

The presence of an enormous Neptune-sized exoplanet 90 light-years from Earth has been confirmed after it was first spotted in 2019. The study, published in The Astronomical Journal, confirms the ...

Using ESO's Very Large Telescope (VLT), astronomers have observed a large dark spot in Neptune's atmosphere, with an unexpected smaller bright spot adjacent to it. This is the first time a dark spot ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. A planet’s opposition occurs when Earth passes between it ...

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Three newly discovered worlds are among the smallest and nearest we've ever detected. NASA's Transiting Exoplanet Survey Satellite, or TESS — a super-powerful orbiting telescope designed to hunt for ...

A telescope on Earth has snapped pictures of Neptune at least as clear as those from the Hubble Space Telescope. The trick? Taking the twinkle out of stars. Released by the European Southern ...

The planet Neptune has a large dark spot "with an unexpected smaller bright spot adjacent to it," inveru observations using ...