For 15 years, one nearby exoplanet refused to reveal its secrets, its spectrum stubbornly flat, its atmosphere unreadable.

Hubble Space Telescope imagery Neptune has revealed that the planet's clouds are disappearing. Credit: NASA Goddard Space Flight Center ...

Discover the Kuiper Belt: a frozen ring of dwarf planets and trillions of icy bodies, currently being explored by NASA's New Horizons mission.

NASA/ESA Hubble Space Telescope, Gemini North telescope and NASA Infrared Telescope Facility observations of Neptune and ...

February holds some spectacular sights in the night and morning sky. See what's happening in the skies over North Texas this ...

When people speak of the northern lights, they are typically referring to Earth’s spectacular display of aurora borealis: green, purple, and red waves.

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. A composite image of Uranus ...

NASA's Hubble Space Telescope detected material from a Pluto-like body spiraling into a white dwarf star 260 light-years away from Earth. Credit: NASA / JPL-Caltech / Tim Pyle illustration For the ...

The mystery of how planets and icy objects formed in the farthest reaches of our solar system just took an exciting turn. A team of researchers from NASA recently uncovered strong evidence for a rare ...

As a planet that's over 1,300 times larger than the Earth, Jupiter was dubbed King of the Planets for a reason. Recurring extraordinary phenomena in its atmosphere are also testimonies that it is ...

Jupiter's dazzling auroras are hundreds of times brighter than those seen on Earth, new images from the James Webb Space Telescope reveal. The solar system's largest planet displays striking dancing ...

The photo at left is an enhanced-color image of Neptune from the Hubble Space Telescope. At the right, that image is combined with one from the James Webb Space Telescope that shows greenish splotches ...