Harvard researchers develop in vitro method for probing what colors an insect sees.

The advance could improve energy efficiency of data centers and lighten the load for electronics-rich vehicles.

Research in mice suggests that during sleep, neurons are busy connecting emotions like fear to memory. The finding may shed light on PTSD and anxiety.

Self-propelling liquid could lead to a class of drugs that autonomously flow toward a specific group of cells or organs, researchers say.

A new theory about how the planets of our solar system formed may explain the differences between the inner- and outer-most planets.

After their queen dies, Indian jumping ant workers brawl for a month to find a new leader. Researchers say they can predict who'll win by day three.

A "genetic rescue" involving the mating of different subspecies may offer the best way to save increasingly fragmented tiger populations.