Testing pregnant people's blood to look at free-floating DNA can tell doctors about the health of the fetus. But these tests sometime turn up DNA... A new kind of blood test can screen for many ...

Scientists from UC San Diego and Australia have engineered bacteria that detect the presence of tumor DNA in live organisms. Photo credit: today.ucsd.edu/ Scientists from UC San Diego, along with ...

Two bacteria are sitting near free-floating DNA. Suddenly, one bacterium shoots out a long appendage, latches onto a DNA fragment and reels in its catch. It happens fast, but it’s clear: this organism ...

Blood plasma can harbor DNA changes that could flag cancer years before existing diagnostic tests, an early study hints. The recent study, published May 22 in the journal Cancer Discovery, found ...