Butterscotch ooze, pink crusts, and blue-green goo are just some of the multicolored mineral deposits being excreted by cave-dwelling microbes, researchers have announced.

Using stinging tentacles and wide mouths, large coral polyps in the Red Sea have, for the first time, been discovered eating jellyfish nearly as big as they are.

Fossils of five "oddball" crocodilian ancestors found in the Sahara suggest that the bizarre beasts ruled the southern landmass of Gondwana about a hundred million years ago, paleontologists say.

A Saturn moon takes center stage, a star is born, a space shuttle gets a step closer to its curtain call, and more in the week's best space pictures.

Human bones, colorful murals, and illuminated manuscripts are just some of the treasures found in caves carved into steep cliffs in a remote corner of Nepal—and the sacred hoard could be linked to the real-world inspiration for the fictional paradise Shangri-La, experts say.

Maya murals complete with hieroglyphic captions are providing archaeologists with an unprecedented look at day-to-day life in the ancient empire, a new study says.

Two advanced Japanese "samurai subs" have been found off Pearl Harbor—including a stealth aircraft-carrying submarine and a supersleek vessel engineered for utmost speed.

The active sun extends loops of particles, chaos reigns in the Milky Way's middle, tropical storm Ida gets spotted from above, and more in the week's best space pictures.

Asteroids slamming into Earth, a planet sneaking up on us, an angry sun singing the planet—find out why these and other end-of-the-world events won't be happening in 2012.

Just as some people today believe a Maya calendar pinpoints 2012 as the end of the world as we know it, people through centuries and across cultures have long forecast our collective doom.

Several graves dating as far back as the early Stone Age--complete with dog-tooth jewelry and even a sitting woman--have been discovered during extensive digs in central Germany, archaeologists say.

Multicolored "scabs" that glow in daylight are filled with fluorescent proteins that help broken or wounded corals heal, a new study says.

NASA's Ares I-X rocket gets a cloud and a dent, astronomers peek into a cosmic jewel box, sunlight sparkles on a Saturn moon's plume, and more in the week's best space pictures.

Star explosions accelerate high-energy particles called cosmic rays, sending them darting across space, according to a new study of gamma ray-filled galaxies.

From AquaPenguin to Charlie the Robo-Tuna, underwater robots are going wild as scientists find nature has often already conquered their engineering challenges.