Which planet is the furthest from the sun? Some may think it’s Pluto, but it’s actually Neptune. Learn more about this ice ...

This image shows Neptune observed with the MUSE instrument at ESO’s Very Large Telescope (VLT). At each pixel within Neptune, MUSE splits the incoming light into its constituent colors or wavelengths.

It's been one Neptunian year—or about 165 Earth years—since astronomers first observed the most distant planet from the sun.

An artist's interpretation of what Planet Nine might look like. As the search for "Planet Nine" in the outer solar system continues, new research suggests there may be an Earth twin buried deep within ...

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 ...

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 ...

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 ...

What can sub-Neptune exoplanets teach astronomers about finding life beyond Earth? This is what a recent study published in The Astronomical Journal hopes | Space ...

Look to the southeastern horizon in the hours following sunset on Nov. 29 — you'll be able to see the moon shine close to 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 ...