In a new Caltech-led study, researchers have classified exoplanets in much the same way that biologists identify new animal species.

Electrons excited by a laser diffuse through a material 1,000 times faster than their room-temperature counterparts, study shows.

Theorists and experimentalists worked together to discover something new in carbon dioxide experiment.

Caltech space artists Robert Hurt and Tim Pyle help scientists imagine the exotic landscapes of other worlds.

The discovery of neurons that control arousal has implications for insomnia and other sleep disorders.

Data from the Caltech-led GALEX mission allowed researchers to study the flares from cool dwarf stars.

Understanding how different viruses usurp their host's energy supply provides insights into viral life cycles and evolution.

Responses of neurons in face-selective regions of the brain can now be used to precisely reconstruct what face an animal is seeing.

The Mars Curiosity rover has provided evidence that an ancient lake on Mars supported chemical reactions that are fundamental to the basic functions of life.

Newest LIGO observation provides clues about the spins, and possible origins, of binary black holes.