CAMBRIDGE, MASS — 

Canadian computer scientists helped pioneer the field of artificial intelligence before it was a buzzword, and now Prime Minister Justin Trudeau is hoping to capitalize on their intellectual lead.

After a career that included helping Alphabet's Google build out data centers and speeding packages for Amazon.com to customers, Jim Miller is doing what many Silicon Valley executives do after stints at big companies: finding more time to ride his bike.

Google's YouTube will launch a music streaming service next week, it said on Thursday, looking to use its popular internet video brand to tap the growing market for paid music streaming.

SAN DIEGO — 

A southern white rhino has become pregnant through artificial insemination at the San Diego Zoo Safari Park — giving hope for efforts to save a subspecies of one of the world's most recognizable animals, researchers announced Thursday.

Interstellar space is mostly a vacuum, so there is no medium that can carry sound. In other words, space is totally silent. But astronomers have often associated the movement of heavenly bodies with music. With the help of modern technology, one astronomer has turned the signals from the Milky Way into a funky tune.

WASHINGTON — 

For some lizards it's easy being green. It's in their blood. Six species of lizards in New Guinea bleed lime green thanks to evolution gone weird.

WASHINGTON — 

For some lizards it's easy being green. It's in their blood. Six species of lizards in New Guinea bleed lime green thanks to evolution gone weird.

WASHINGTON — 

For the first time, the World Health Organization is taking steps to eliminate a substance that leads to a non-communicable disease: heart disease.

WASHINGTON — 

A new look at old data is giving scientists a fresh reason to view Europa, a moon of Jupiter, as a leading candidate in the search for life beyond Earth, with evidence of water plumes shooting into space.