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

The aging infrastructure of the Deep Space Network is operating at capacity and in desperate need of an upgrade. The latest ...

From the launch pads of Earth to the frozen worlds beyond Neptune, this journey traces humanity’s first real exploration of ...

NASA's largest 230-foot antenna at the Deep Space Network’s site in California is offline due to damage, putting additional strain on interplanetary communication.

William Lassell, an amateur astronomer, discovered Neptune's moon Triton on October 10, 1846, using his self-constructed 20-foot reflector telescope, a mere 17 days after Neptune's initial ...

The eighth and most distant planet from the sun, Neptune, reaches opposition with the sun on Sept.23, when it will be in its best position for viewing for the year. Neptune is too faint to see with ...

On Aug. 20, 1977, NASA launched the Voyager 2 spacecraft on a mission to explore the outer planets. Despite its name, this was the first of two Voyager missions NASA launched that year. Thanks to a ...

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London.View full profile Alfredo has a PhD in Astrophysics and a Master's in Quantum ...

It's been almost 40 years since Voyager 2 flew past Uranus, but its readings from that whistlestop flyby have remained some of the most important for how we understand the planet. But new data from a ...

A study has finally determined where Uranus gets its heat. Researchers from the University of Houston, led by Dr. Xinyue Wang, launched a deep probe of Uranus’ data — and determined that the gas giant ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

NASA's Voyager 1 spacecraft, the farthest human-made object in space, left the solar system in 2012. Credit: Mark Garlick / Science Photo Library / Getty Images illustration NASA engineers have ...