The iridescent cloud reveals new clues about ice formation in the Martian atmosphere (no little green men, sorry).

Curiosity rover images show iridescent clouds on Mars, helping scientists explore atmospheric and climate dynamics.

Along with Blue Ghost, NASA launched the Tenacious lunar rover from Japanese company ispace. It's one of the smallest ...

Blue Ghost will spend the next 16 days in lunar orbit, if all goes to plan. It will conduct additional engine burns to circularize its path around Earth's nearest neighbor, then attempt a landing in ...

The Tarantula Nebula, also known as 30 Doradus, is revealed in an unusual light in this exceptionally deep Chandra X-ray ...

NASA’s PRIME-1 mission aims to analyze lunar ice and subsurface resources to support long-term Moon exploration.

It’s neither fast nor food, but a spectacular object called HH 30 looks appetizing for astronomers in a new image from the ...

On this day 35 years ago, NASA's Voyager 1 spacecraft took a picture that changed how we see our planet. The iconic "Pale ...

But when Feb. 14 rolls around, lovers trade letters or cards and give gifts, much like they do in the U.S. If you’ve had enough of heart-shaped trinkets on Valentine’s Day, get inspired by ...

During the day, folks can call this a 'sun halo', but at night and when associated with the moon, try a 'lunar halo'. These ...

Halos are often the result of ice crystals in cirrus clouds. When moon or sunlight shines through these crystals, the light ...

Experts say that rings around the moon can pop up from time to time, but have you ever seen one in Denver? Last night, at ...