Q&A: Ride-hailing service Lyft's product chief Tali Rapaport

Even though it's been in business for just over five years, the Lyft ride-hailing service is still evolving as it moves toward a time when personal car ownership falls and self-driving robotaxis start carrying passengers.

Fishing for one bad cell out of trillions of good ones

Cancer cells can break away from a tumor and circulate through the blood. There are few of the cancer cells compared to the trillions of blood cells. Current methods to find and extract these circulating tumor cells (CTC) ...

Robot duck's aim: Helps kids with cancer via power of play

A plush, robotic duck may soon become a fixture in the world of children who have cancer—a social robot that can be silly, happy, angry, scared or sick just like them, and help them cope creatively with their illness through ...

Russia opens commission into 'nuclear incident' report

A Russian scientific commission will investigate reports of radioactive pollution almost 1,000 times above normal levels in the southern Urals, state nuclear company Rosatom said Friday.

Russia denies nuclear accident after radioactive pollution

Russia on Tuesday denied its nuclear facilities experienced any incidents after reports of contamination by the ruthenium 106 radioactive isotope in parts of the country, and said the concentration detected posed little threat.

NASA's Mars 2020 mission performs first supersonic parachute test

Landing on Mars is difficult and not always successful. Well-designed advance testing helps. An ambitious NASA Mars rover mission set to launch in 2020 will rely on a special parachute to slow the spacecraft down as it enters ...

Plasma from lasers can shed light on cosmic rays, solar eruptions

Lasers that generate plasma can provide insight into bursts of subatomic particles that occur in deep space, scientists have found. Such findings could help scientists understand cosmic rays, solar flares and solar eruptions—emissions ...

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