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AUSTIN, Texas -- The hidden side of the universe is now a bit more illuminated thanks to the largest map yet of dark matter , the strange substance thought to inhabit much of space. [More]

Fair warning: the following is more than 60 seconds, and it’s about climate change. [More]

Learn about city pigeons, watch pigeons for science, learn cool facts, and increase your awareness of nature in your neighborhood [More]

Our brains are exquisitely tuned to perceive, recognize and remember faces. We can easily find a friend’s face among dozens or hundreds of unfamiliar faces in a busy street. We look at each other’s facial expressions for signs of appreciation and disapproval, love and contempt

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Some are as large and fast as commercial airplanes. Some are blimps that sit in the sky, surveying broad swaths of territory. Others flit around imperceptibly, like birds or insects, recording videos and landing themselves.

Boosting voter turnout could be as simple as making individuals see voting as part of who they are rather than as something they do. [More]

Voters in the recent Iowa caucuses and Tuesday's New Hampshire primary will rely on paper ballots as they have for generations. In the very next primary on January 21, South Carolinians will vote with backlit touch-screen computers. [More]

Did Earth once have two moons? It may take two lunar spacecraft to find out.

By Heidi Ledford of Nature magazine Protective caps known as telomeres that help to preserve the integrity of chromosomes can also predict lifespan in young zebra finches ( Taeniopygia guttata ), researchers have found. Telomeres are stretches of repetitive DNA sequence that are found at the ends of chromosomes, where they help to maintain cell viability by preventing the fraying of DNA and the fusion of one chromosome to another

By Katherine Rowland of Nature magazine Carnivorous plants catch their prey in pools, glue and snap traps. [More]

Editors note: This is a condensed version of a post that originally appeared on RealClimate.org It’s the unknown that grabs attention. [More]

By Ian Simpson WASHINGTON (Reuters) - A flock of rare whooping cranes on its inaugural winter migration to Florida are grounded in Alabama while a government agency decides whether a plane guiding them will be allowed to proceed. [More]

A false color image of Cassiopeia A using observations from both the Hubble and Spitzer telescopes, and Chandra X-ray Observatory. Credit: NASA/JPL-Caltech They may come from completely different fields of study, but brain scans and supernovae have more in common than you would think. [More]

In the mid-2000s, when scientists questioned whether the campaign to rid the world of polio could succeed, skeptics pointed to a problem that some called PAIN . [More]