NPR's Ayesha Rascoe asks Western Washington University environmental science professor Robin Kodner about algea that is turning snow pink at high altitudes.
For years, the wild mountain lion's presence in LA captured the adoration of the city's residents. Wildlife officials said they "compassionately euthanized" the ailing animal on Saturday.
We mark our days by sunlight, with special receptors in our eyes that respond to light and help reset our body clocks each day. This man can't see, but is still a circadian wiz. Here's how.
The cause for the spill is still unclear. What's known is the type of oil that was piped: tar sands oil, also called diluted bitumen. It's a lot harder to clean up than conventional oil.
The ruling is the latest twist in a long-running dispute over where dozens of federally-supported former research chimps should live out the remainder of their days.
Scientists at the National Institute of Standards and Technology track time with atomic clocks. But what is time, really? Physicists are still trying to answer that question.
Fusion energy has remained a distant dream for decades, but scientists announced they got more energy back than they put in to create the reaction. How close are we to fusion energy powering society?