HamTastic San Diego returns Saturday with a weather balloon launch, radio gear displays and a free picnic-friendly gathering at Fiesta Island.

Limber Prosthetics advertises its 3D-printed leg for $3,000; UC San Diego says the company provided five prostheses to victims of the war in Ukraine.

Burlington will house a coast-to-coast observatory imaging everything from mouse memory cells to a brain-invading parasite.

Qualcomm stock jumped past $174 as Amazon agreed to buy custom AI chips while gaining rights to 25 million shares.

Eastlake High senior Ihan Sung's garage-built device tackles a process that eats up 2% of global energy. He placed fourth worldwide.

Delaney Holian was given just a 20% chance of reaching age one. At eight months, she's still laughing with her three siblings.

Neurocrine says no causal link has been found, but families of Prader-Willi patients are demanding more transparency on Vykat XR.

The 40-year-old former Arctic oil engineer will launch from Kazakhstan next March as UCSD's fourth astronaut alum.

San Diego’s Self Inspection raised $10 million with Sheryl Sandberg’s venture firm leading the round. Its AI platform turns smartphone photos into detailed vehicle condition records.

San Diego researchers are testing a potential Gulf War illness treatment as Congress keeps toxic-exposure research funding at half its former level.

A San Diego-built magnet is now stacked inside the world’s biggest fusion experiment in France. The milestone puts General Atomics at the center of a 35-nation effort to harness star-like energy.

A San Diego startup’s tiny autonomous boat recorded a Chinese guided-missile destroyer near the Philippines. The footage highlights the rising role of robotic maritime surveillance.

A San Diego biotech is moving an investigational gout drug through late-stage trials, backed by $130 million in new financing.