Galatea

Hubble uncovered a new dark storm on Neptune and provided a fresh look at a long-lived storm on Uranus.

Quite a few candles have been lit since NASA was born on Oct. 1, 1958. Here’s a quick look back at some highlights from six decades of exploration—and a glimpse of what’s ahead.

Legendary explorers and visionaries, real and fictitious, are among those immortalized in the first set of official surface-feature names for Pluto's largest moon, Charon.

Whether you're doing it for the nerd cred or the pie, this week on #10Things, we've got all the ways you can celebrate #PiDay with NASA.

We're talking about the ice giants. These are two enormous planets in our outer solar system: Uranus and Neptune.

It's never too late to appreciate the far-reaching influence the Voyagers have had—including pop culture.

Ten things to know about Voyager 2 on the 40th anniversary of its launch.

August 25, 1989: Neptune is in view. It is the middle of the night and everything is happening fast at NASA's Jet Propulsion Laboratory in Pasadena, California.

In a flurry of new moon discoveries in late 2000 and early 2001, it was announced by this author - and several other sources - that the planet Uranus had 21 moons.

Dr. Stone, JPL's director since 1991, is stepping down on May 1.

What do you get if you mix together one part helium and five-and-a-half parts hydrogen, add a dash of methane, heat to 60 Kelvins (-351 degrees F) and let sit for over four billion years?