An unusual fossil brain suggests that the ancestors of spiders and other arachnids may have once scuttled around the sea, rather than on land as was long thought, a new study finds. "It is still ...

Space apparently changes your frame of mind in more ways than one.

Time in space affects the body, but research has found that it can also quite literally affect the mind, prompting questions ...

MIT researchers report that astronauts’ brain positions change in microgravity, based on MRI scans from space missions ...