While filming coral off the Solomon Islands, David Gruber, a National Geographic Emerging Explorer, encountered a "bright red-and-green spaceship." This underwater UFO turned out to be a hawksbill sea turtle, which is significant because it's the first time that biofluorescence has ever been seen in...

A cluster of fire ants floating on the surface of water is pushed down with a pair of tweezers. Note the deflection of the water surface and how water does not penetrate the raft.

The Solar System's birth was far from peaceful. Witness the spectacular explosion known as the "Big Bang".Naked Science: Birth of the Solar System ...

Astronomers have found the earliest stars in the universe After picking up faint signals from the earliest hydrogen gas ever detected, astronomers have found evidence of the very first stars in the Universe, according to a new study published in the journal Nature. The findings have also unexpectedl

Dr. Eric Topol, director of the Scripps Translational Science Institute, chief academic officer of San Diego-based Scripps Health and digital health's rock star, was featured Jan. 25 on NBC's Rock Center with Brian Williams. In this interview with NBC's Dr. Nancy Snyderman, he showed off a number of...

Researchers from Tel Aviv University have identified a new type of early human at the Nesher Ramla site, dated to 140,000 to 120,000 years ago. Headed by Prof. Israel Hershkovitz, Dr. Hila May and Dr. Rachel Sarig from the Sackler Faculty of Medicine and the Dan David Center for Human Evolution and...

In 1993, researchers discovered a stretch of DNA on the X chromosome they believed to be linked to male homosexuality. After studying the DNA of nearly half a million people with varying sexual experiences, the researchers found no evidence of a single “gay gene.” There was some genetic associatio

“Every place you step, there’s 10,000 bacteria, most of which we've never seen,” said Brady, an associate professor at Rockefeller University in New York. Many of these bacteria behave in ways that aren't yet understood and produce molecules that haven't been seen before. He and his colleagues repor

Alan Turing is most widely known for his critical involvement in the codebreaking at Bletchley Park during the Second World War. But Alan Turing was not just a codebreaker.
Watch this short film and learn how Alan Turing broke codes in both his work and society. Codebreaker is an exhibition develop...

In this SCIENCE episode of Ask Dr. Bob we address Health and Politics. We discuss the use of PrEP to prevent acquiring HIV/AIDS and the need to continue the support of this medical treatment for all individuals at risk. We also discuss the political climate regarding abortion medication and the se...