Neptune is the outermost planet in our solar system, just before Pluto, which used to be a planet, but is now considered a dwarf planet. Neptune is a gassy planet, just like Jupiter, but it’s smaller ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Neptune has always been known as an icy blue behemoth. The eighth ...

Neptune’s atmospheric temperature is on an unexpected roller-coaster ride, and it could take decades for scientists to piece together what’s happening at the distant planet. Each Neptune year lasts ...

Similar to the gas giant planets Jupiter and Saturn, their smaller cousins, Uranus and Neptune, have long been known to harbor swirling clouds and violent winds churning up their atmospheres. Massive ...

There's no good reason why ammonia shouldn't be present at Uranus and Neptune. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A recent discovery ...

This artist's illustration shows two Earth-sized planets, TRAPPIST-1b and TRAPPIST-1c, passing in front of their parent red dwarf star, which is much smaller and cooler than our sun. NASA/ESA/STScI/J.

The NASA undertaking has brought together scientists from NASA’s Goddard Space Flight Center (GSFC). Uranus and Neptune are two of the most mysterious and least explored planets in the solar system.

It's been decades since a spacecraft visited either Uranus or Neptune — which means scientists are busy dreaming up instruments that could be flown out on the next probe to these ice giants. The pair ...