Cumulative culture -- the accumulation of technological modifications and improvements over generations -- allowed humans to adapt to a diversity of environments and challenges. But, it is unclear ...

Data from more than 15,000 ancient people reveal natural selection of hundreds of genes linked to immunity, skin tone, behaviour and other traits. The biggest ever study of ancient human DNA shows ...

Scientists have uncovered a surprising twist in how bacteria share genes—including those that spread antibiotic resistance. Tiny virus-like particles called gene transfer agents (GTAs), once ancient ...

SAN ANTONIO – Multiple people are hospitalized in critical condition after home explosions on April 21 in a North Side neighborhood, according to the San Antonio Fire Department. A child was ...