Scientists have identified a strange new kind of hominin named Homo naledi. Although the new fossils are still undated, making it hard to know where they fit into human evolution, they already reveal a very different way to be part of the human family tree.
Scientists may have identified the origins of Basque, a mysterious and musical language that has no known relationship to any other tongue. A new study suggests that the Basques come from a group of early farmers that kept to itself as waves of migration swept through Europe thousands of years ago.
Could Alzheimer's be contagious? Controversial new research suggests that it may be possible to spread the Alzheimer’s protein through surgery or other procedures. But don't panic yet—scientists say more research is needed before they can offer up any definitive conclusions.
Polio is so contagious that a single case is considered an outbreak. Now, polio outbreaks have been confirmed in Mali and Ukraine, with emergency campaigns scheduled to start as soon as possible.
A new study finds that melatonin, the “sleep hormone,” could potentially help give relief to patients with multiple sclerosis. Preliminary results are promising, but scientists warn that they’re still filling in the gaps on important details.