In order to investigate how eating fish affects our health as well as the oceans, author and fisherman Paul Greenberg spent a year eating fish every day.
Kuki Gallmann, the conservationist and author of the book that became a film starring Kim Basinger, was shot Sunday in Kenya. Tensions continue to boil between land owners and cattle herders there.
Nomadic herders who live across West Africa are having to travel further and further south for their cows to graze. Some are letting cows graze on cropland, leading to deadly conflicts with farmers.
The orca Takara gave birth to a calf Wednesday at the SeaWorld park in San Antonio, Texas. SeaWorld announced last year that it was ending its breeding program.
The hairless, ground-dwelling, cold-blooded rodents have proven capable of surviving total oxygen deprivation. Their odd biology allows them to run on an alternative fuel.
Speeding cars have become the biggest threat for bears in Yosemite. But rangers hope tracking tools, like the website where the public can track bears, will help keep both humans and bears safe.
Researchers found that a protein in human umbilical cord plasma improved learning and memory in older mice, but there's no indication it would work in people.
The global giraffe population has dropped sharply in recent decades, prompting calls to protect the species from habitat loss, illegal hunting and trophy seekers.
Native cutthroat trout, an iconic part of the mountain West, thrive in cold streams. But warmer weather has allowed invaders to move in — and it's killing off the cutthroats.
"Brave New Workers" tells stories of Americans adapting to a changing economy. This week: a former contractor who lost his business when the housing bubble burst found a new livelihood grooming cats.