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

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

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

NASA’s Curiosity rover has captured breathtaking images of red and green-tinted clouds drifting across the Martian sky. These ...

The ocean's twilight zone lies between 200 and 1,000 meters below the surface, where light starts to fade but is not ...

The zodiacal light shines in the evening as the Moon reaches Last Quarter and skims past Spica and Antares in the sky this ...

At the surface, Mars is a desolate, barren world with a rocky landscape, massive dust storms and extreme temperature swings.

The vaping industry has grown stagnant, weighed down by uninspired designs and predictable performance. Devices feel like relics of a bygone era—clunk ...

Philips Hue has issued an update that improves Hue system stability and enhances certain smart lights. Whilst no new features ...

Many photos McCarthy has taken of the space station in the past show the ship as a silhouette in Earth's shadow. This time he ...

Twilight icon Taylor Lautner is returning to the world of supernatural storytelling, this time playing himself in a satirical ...