In a Penn State lab, a small cylinder of soil sits wired with sensors, slowly cooling as it mimics conditions thousands of ...

Sandiegouniontribune.com covers local news in San Diego County, CA, California and national news, sports, things to do and the best places to eat, business and the San Diego housing market.

Heeva Alavi, an Iranian-American, writes about her family’s mixed emotions about the World Cup, while Aariv Shah reflects on the SpaceX I.P.O. By The Learning Network We invited teenagers to create an ...

Ultrasound and artificial intelligence-guided algae microrobots delivered chemotherapy deep into tumors in mice, paving the way to improved bladder cancer care.