Most people notice when someone avoids eye contact, looks away too often or checks their phone mid-conversation. Blinking, however, rarely gets any attention even though it can quietly signal how ...

President Donald Trump denied falling asleep during White House meetings in a new interview focused on his health. The president said bruising that’s been seen on his hands, often covered in heavy ...

Two newly spotted objects in space are emitting regular pulses of radio waves—unlike anything astronomers have seen before. An extreme type of star called an ultra-long period magnetar may be the ...

AS normal blinking is involuntary, it might be expected that blinking would proceed at its normal or at a somewhat reduced rate during sleep, as with breathing and the heart-beat. This is not so, ...