Birder Mathew Tekulsky recalls how American robins and other species visited his California yard for a few weeks in January, when a pyracantha bush produced its ripe berries.
It's easy to cut costs by using less energy in your home, says This Old House TV personality Tom Silva. The long-time contractor shares tips on how you can do it.
Take an entrepreneur, add an interesting fact—that coffee grounds release more heat than wood when burned—and what do you get? An environmentally friendly fireplace log made from reused buzz beans.
The sounds made by dune avalanches has mystified people for centuries. California scientists test an explanation by sliding down the sand on their rear ends.
Thirteen college students are traveling the U.S. by school bus to promote the use of "biodiesel," fuel made from vegetable oil such as that used in fast food restaurants.
Wagari Maathai, recipient of the 2004 Nobel Peace Prize, has long fought—and sometimes suffered—to protect the environment and human rights in Africa. A journalist recalls an encounter with the Kenyan 13 years ago.
Halley's comet won't return until 2061, but pieces of the celestial body are streaking across the sky. The heavenly show, known as the Orionids meteor shower, peaks Wednesday night.
After a huge earthquake struck San Francisco in 1989, many Californians thought they'd survived the "Big One." But experts say smaller quakes hold greater cause for worry.
Great white sharks are among many endangered species to gain better international protection at a meeting of 166 countries in Thailand. Restrictions on black rhinos were eased.
Like the ugly duckling, cowbirds are raised by other bird species. So how do they find each other as adults? A new study says they have a "password," among other things.
Fifty years ago Hurricane Hazel unleashed death and devastation from South Carolina to Canada—and spurred new hurricane research and monitoring methods.
