In this new Hubble image, the backlit wisps along the Horsehead's upper ridge are being illuminated by Sigma Orionis, a young five-star system just out of view. Along the nebula's top ridge, two fledgling stars peek out from their now-exposed... | Continue »

Just in case you aren't familiar with the term "photo bomb", it's when someone (or something, in this case) drops in a photo unexpectedly. This Blue Jay seemed to lean in just to get into my photograph of a Common... | Continue »

Riding on momentum from Los Angeles' huge announcement that it will be coal-free in 12 years, 150 clean-energy supporters, utility representatives, and entrepreneurs recently gathered for Huntington Park's first ever "Energy Fair" in Los Angeles County that aims to build... | Continue »

Today, Japanese Prime Minister Shinzo Abe announced Japan's intention to enter the Trans-Pacific Partnership trade pact (TPP). With Japan's entry, the trade pact will now include 12 nations along the Pacific Rim, including the United States. It's similar to the... | Continue »

There was a time in my misspent youth when I embraced the libertarian conceit that the Second Amendment was inserted right where it was in the Bill of Rights as a vehicle to make the First Amendment fully enforceable, i.e.,... | Continue »

Why Twenty-First Century Oil Will Break the Bank -- and the Planet By Michael T. Klare Oil prices are now higher than they have ever been -- except for a few frenzied moments before the global economic meltdown of 2008.... | Continue »

How did the law happen, and what does it mean for the rest of the country? Significant environmental damage from natural gas extraction is evident across the country, from air pollution in rural counties of Wyoming to wells contaminated in... | Continue »

The 1000 Scientists in 1000 Days project will connect scientists who are willing to share their knowledge with teachers who want to increase their students' engagement with science at all grade levels. | Continue »

Judy Bonds speaks at a 2005 rally. Photo courtesy of Coal River Mountain Watch. This post was written by Mary Anne Hitt, director of the Sierra Club Beyond Coal Campaign. I remember how people used to describe Judy Bonds. Ten... | Continue »

Patagonia surf ambassador Mary Osborne recently completed a month-long sailing trip to study plastic pollution in the South Atlantic with a team from the non-profit 5 Gyres Institute. Together with their partners, Pangaea Explorations and Algalita Marine Research Foundation, 5... | Continue »