The U.N. is planning to send its first spacecraft into orbit, packed with scientific experiments from countries that can't afford their own space programs.
Earth's rocks and fossils can help us understand our own species. Paleontologist Kenneth Lacovara explains important moments in Earth's history that help us recognize our place in the world.
At various times, life on earth has come close to being erased. Paleontologist Peter Ward explains what we can learn from previous mass extinctions.
Have we entered a new age defined by humans? Paleontologist Kenneth Lacovara says there's "no doubt" that humans' impact on Earth will show up in the geological record.
Environmental writer Emma Marris wants us to broaden our definition of nature to one that embraces urban and wild spaces in order learn to protect and care for it.
Biodiversity archivist Cary Fowler explains how the Svalbard Global Seed Vault will prepare humans for the climate change and its effect on our environment and our food supply.
NPR's Ari Shapiro talks to Ginette Hemley of the World Wildlife Fund about the CITES meeting and the challenges in trying to protect endangered species, particularly elephants.
Wednesday night's aurora borealis forecast was particularly strong, so Icelandic officials tried to reduce light pollution so the green glow would be more visible to people in the capital.
There's plenty of vaccine available this year, and the sooner people get vaccinated the better, federal health officials say. A recent drop in vaccination, especially among the elderly, concerns them.
Most potential Alzheimer's drugs are tested on mice. But rats may be a better choice because they seem to have a type of memory that's more like ours, and also are highly vulnerable to Alzheimer's.
To cap its 12-year scientific voyage, the Rosetta spacecraft will take a final plunge Friday. Scientists will signal Rosetta to crash into the surface of a comet — and gather data all the way down.
Just as natural antibodies help your body find and fight microbial invaders, tailored research antibodies let scientists target and study cancer cells. But too many are poorly made, scientists say.