A laser-engraved, intricately decorated dial with an unusual arrangement proves there is more than one type of ...

You might think sex in space would be an out-of-this-world experience — but low-gravity intimacy may not be as much of a high as it sounds.

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

The phenomenon of twilight clouds was first observed on Mars in 1997 during NASA’s Pathfinder mission. However, it wasn’t ...

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

"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 ...

India], February 12: Merck Foundation, the philanthropic arm of Merck KGaA Germany, marks ‘International Day of Girls and ...

Take advantage of a special 6-7 planet alignment from Earth's perspective. Planets 'line up' in the skies over California in ...

In the coming years, an unprecedented number of people will leave planet Earth—but it’s becoming increasingly clear that deep ...