Symptoms of depression fluctuate over time, but many brain imaging studies of the condition study only one point in time. This has made it difficult to link networks of brain activity to different symptoms and mood swings. Now, a new study using long-term brain imaging data shows that a brain network involved in directing attention […]

The word “bionic” conjures up sci-fi visions of humans grown to superhuman levels. It is true that engineering advances such as better motors and batteries, along with modern computing, mean that the necessary mechanical and electronic systems are no longer a barrier to advanced prostheses. But the field has struggled to integrate these powerful machines […]

Betelgeuse, Betelgeuse! The red supergiant that marks Orion’s left shoulder may have a tiny, unseen companion. Two independent studies found evidence of a star the same mass as the sun, orbiting Betelgeuse about once every 2,100 days. “It was very surprising,” says astrophysicist Morgan MacLeod of the Harvard & Smithsonian Center for Astrophysics in Cambridge, […]

Extreme Climate Survey Scientific news is collecting questions from readers about how to navigate our planet’s changing climate. What do you want to know about extreme heat and how it can lead to extreme weather events? Powerful eruptions pushed the sea ashore, generating record floods that inundated coastal communities in meters of seawater. Near Keaton […]