Marine biologist Fernando Trujillo has spent a lifetime working with the endangered creatures, which offer a window into the ...

A sample is sitting in Perseverance’s belly, awaiting a ride off Mars for precisely that purpose. Regardless of how things play out, the discovery is a significant entry in the history of ...

SAN FRANCISCO — New data suggest that lenacapavir delivered just once per year could be as effective for HIV prevention as the twice-yearly injections already under review by the FDA.

He pulls the patient’s gown away, applying a stethoscope to the chest. A resident stands by ... Her curly black hair flowing like water, her belly and breasts swollen, her legs and mid-thigh and scars ...