Agency says molecule only produced on Earth by life may be present on exoplanet 120 light years away, along with molecules suggesting presence of water

Pioneering pictures of the exoplanet, called HIP 65426 b, show it to be an uninhabitable gas giant with no rocky surface

Canadian-born James Peebles and Swiss star-gazers Michel Mayor and Didier Queloz honored for efforts help discover if life exists beyond the Earth

US space administration's exoplanet-hunting telescope finds new solar system, including 3 planets orbiting a star about a third of sun’s mass and 40% cooler