Why doesn’t our solar system have sub-Neptune exoplanets and what can they teach us about planetary formation and evolution? This is what a recent study published in The Astrophysical Journal Letters ...

Uranus and Neptune, the seventh and eighth planets, are largely a mystery — but that could change within the next two decades. A study submitted to Arxiv by Amy Simon and Mark Hoffstadter, NASA ...

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 ...

Neptune, the eighth planet from the Sun – The Distant Planet. This bright blue orb hanging out near the edge of the solar system has garnered intrigue from sky watchers and scientists alike. Like its ...

In 30 years, a nuclear-powered space exploration mission to Neptune and its moons may begin to reveal some of our solar system's most elusive secrets about the formation of its planets -- and recently ...