Nature’s remarkable camouflage costumes

Your Halloween costume might have been good, but the red-eyed tree frog's is better.

Superstorm Sandy: How to donate for survivors

This post contains links and other info about helping to volunteer, donate or otherwise contribute to the massive relief effort for Superstorm Sandy victims.

Best links to follow Superstorm Sandy online

Sandy has left a wake of death and destruction. Here are some ways to watch online - maybe with your phone or tablet if your power is out.

Vision evolution studied in new paper

A new study used computer modelling to shed light on the origin of vision in animals, including humans. Sight may have evolved earlier than previously thought.

Hurricane Sandy beginning to batter and flood the U.S. East

Meteorologist Brad Panovich from Charlotte, North Carolina, tweeted: "It's not hype ... this [Hurricane Sandy] is the worst storm in our lifetimes."

Video: Spectacular view of Milky Way in time lapse

It's a test video for a future IMAX film, from astrophotographer Colin Legg in Australia, where the Milky Way can be seen in all its glory. Awesome!

Tsunami warning after strong 7.7-magnitude Canada quake

Tsunami warning issued for Hawaii on night of October 27-28 after sea level readings indicated a possible tsunami. Waves on Hawaii beaches smaller than expected so far.

Hermit crabs socialize to evict their neighbors

A biologist has found that terrestrial hermit crabs have a more self-serving social agenda: to kick another crab out of its shell and move into a larger home.

Unique microbes discovered in one of Earth’s harshest landscapes

Scientists have discovered unique microbes - bacteria and fungi - in one of the driest places on Earth, the high-altitude Atacama desert.

Why silver turns skin blue

Silver turns skin blue when ingested. New research suggests the process is similar to developing black-and-white photographs.