ORLANDO, Fla. — Today marks the first day of the Orlando Science Centers Spark STEM fest, for children and families alike.

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

While the sight is fascinating, scientists are still trying to understand why carbon dioxide ice clouds only form in specific ...

Twilight clouds were first observed on Mars by NASA's Pathfinder mission in 1997. This rare atmospheric phenomenon has not ...

Known as Noctilucent or night-shining clouds, twilight clouds are typically seen on Earth during the summer, but this time, ...

NASA’s Curiosity rover captured stunning images of Martian twilight clouds, revealing iridescent dry ice formations on Mars.

Russia's state-owned Rosatom announced a prototype plasma engine which could speed up travel to other planets.

A supposed square structure spotted on Mars sparked speculation about alien archeological sites on the red planet. It's a fun ...

NASA’s Curiosity rover has captured breathtaking images of iridescent clouds drifting across the Martian sky, revealing a ...

"I'll always remember the first time I saw those iridescent clouds and was sure at first it was some color artifact." ...

Curiosity, a set of NASA 's robotic "eyes" on the Red Planet, recorded 16 minutes of so-called noctilucent clouds flying ...

NASA has shared a stunning views of drifting clouds on Mars captured by the Curiosity rover. The iridescent clouds look like ...