Briefing Chat: 'External lungs' keep man alive for 48 hours until transplant

Distrust and disempowerment, not apathy, keep employees from supporting marginalized colleagues

Study of 65,000 college students links 16 hours a week on social media to higher loneliness

As a Colorado River deadline passes, reservoirs keep declining

Extra school roles can boost teachers' job satisfaction when balanced within existing hours, easing teacher shortages

Decoding China's new space philosophy

Mapping cemeteries for class: How students used phones and drones to help a city count its headstones

Southern California sky is lit up by Valentine's Day SpaceX launch

Polymers from earth can make cement more climate-friendly

US ocean regulator faces criticism over changes to right whale protection rule

Astronomers trace a star's three-year infrared glow to black hole birth

NASA launches Crew-12 astronauts in Valentine’s Day gift to the ISS

NASA, SpaceX shoot for predawn Crew-12 launch with sonic boom possible

Weather pushes back SpaceX's Crew-12 window, opening door for first ULA launch of year

NASA confirms first flight to ISS since medical evacuation