Mucus oozed by a marine tube worm can glow for up to 72 hours. New results suggest that the light may sustain itself through some clever chemistry.
A new world map highlights possible hot spots of arsenic contamination in groundwater.
Cold atoms can form crystals as a result of the Pauli exclusion principle.
Life, time, intelligence — plenty of terms used in science have imprecise definitions.
Infrared images show a spiral of gas and dust around a star 520 light-years away. A smaller, tantalizing twist hints at where a planet is coalescing.
A new artificial eyeball boasts a field of view and reaction time similar to that of real eyes.