"The Descent" - A caving expedition goes horribly wrong, as the explorers become trapped and ultimately pursued by a strange breed of predators. One of the best horror movies I've ever seen. Info and image credit: IMDb.
Huygens: Titan Descent Movie >> Huygens landed on Saturn's moon Titan in 2005. Here is a time-lapse video of its descent through Titan's hydrocarbon-rich atmosphere - first through opaque clouds, and piercing into the clear to reveal a strange and yet familiar landscape.