Thanks to the discovery of thousands of exoplanets to date, we know that planets bigger than Earth but smaller than Neptune ...

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 ...

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 ...

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 ...

NASA and Europe's Hubble Space Telescope keeps an eye on distant planets, watching for changes in their weather. Hubble has discovered a new and mysterious "dark tempest" on Neptune that's 6,800 miles ...

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 ...

Neptune’s supersonic winds and icy storms revealed a planet so extreme that it forever changed our picture of the solar system. The discovery of Neptune in 1846 was not just the triumph of mathematics ...

Using an Earth-based telescope, astronomers have captured a remarkable photo of the planet Neptune—which is sharper even than pictures taken by the Hubble Space Telescope—with the help of an advanced ...

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

This image shows Neptune observed with the MUSE instrument at ESO’s Very Large Telescope (VLT). At each pixel within Neptune Using ESO’s Very Large Telescope (VLT), astronomers have observed a large ...