"A polar bear has been killed by bird flu as the highly contagious H5N1 virus spreads into the most remote parts of the planet."

"Scientists say there is no credible evidence linking offshore wind farms to whale deaths. But that hasn’t stopped conservative groups and ad hoc “not in my back yard”-style anti-development groups from making the connection."

"Scientists have long wondered whether the West Antarctic Ice Sheet is a ticking time bomb in terms of sea level rise. New evidence from the DNA of a small octopus that lives in the Southern Ocean suggests that the ice sheet is indeed at risk of collapsing, according to a study published on Thursday in the journal Science."

"Bird flu is likely to spread further in the Antarctic region, causing immense damage to wildlife, according to experts on the highly contagious disease that has killed hundreds of millions of birds worldwide in recent years."

"Light can be deadly. Many animals and plants are threatened by artificial light. Numerous organisms have found their evolutionary niche in the dark of night, and now have to adapt to bright nights. Not all of them succeed."

"Rudolph’s red nose may have gone down in history, but research says it was probably his shining blue eyes — a common trait among reindeer — that helped keep him and the rest of Santa’s herd nourished."

"Somewhere on a remote mountainside in Colorado’s Rockies, a latch flipped on a crate and a wolf bounded out, heading toward the tree line. Then it stopped short. For a moment, the young female looked back at it’s audience of roughly 45 people who stared on in reverential silence. Then she disappeared into the forest."

"The virus, which recently reached the Antarctic region for the first time, is surging again in North America."

"A major restoration effort by a coalition of Tribes and government agencies could help imperiled fish and other animals on the Trinity River."

"It may seem counterintuitive to support the annual culling of trees, but environmentalists say Christmas tree farms have ecological benefits."