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Researchers have developed a new catheter-based device that combines two powerful optical techniques to image the dangerous plaques that can build up inside the arteries that supply blood to the heart. By providing new details about plaque, the device could help clinicians and researchers improve treatments for preventing heart attacks and strokes.

Each year, approximately 2,000 people die annually of gallbladder cancer (GBC) in the U.S., with only one in five cases diagnosed at an early stage. With GBC rated as the first biliary tract cancer and the 17th most deadly cancer worldwide, pressing attention for proper management of disease must be addressed. For patients diagnosed, surgery is the most promising curative treatment. While there has been increasing adoption of minimally invasive surgical techniques in gastrointestinal malignancies, including utilization of laparoscopic and robotic surgery, there are reservations in utilizing minimally invasive surgery for gallbladder cancer. A new study has found that robotic-assisted surgery for GBC is as effective as traditional open and laparoscopic methods, with added benefits in precision and quicker post-operative recovery.

Follow these tips to have a safe viewing experience during the upcoming North American total solar eclipse

Researchers in the US Army are experimenting with commercial AI chatbots as battlefield advisers in war game simulations – but experts caution that such AI should not be used in high-stakes situations

A new understanding of what happens to the brain after a knock to the head is finally waking us up to the risk of contact sports, and ways to stop long term damage

Five exomoon programmes have been picked for the James Webb Space Telescope, raising the hopes of finding moons around exoplanets for the first time

Five elephant calves have been found buried in drainage ditches on tea-growing estates in India in a rare example of burial behaviour in non-human animals

Five new varieties of Penicillium roqueforti, the fungus used to make blue cheese, might rescue the fungus from a genetic dead end and produce pharmaceutical compounds

In 2006, a flying saucer spent minutes literally hovering right above Chicago's O'Hare International Airport... so the story goes.