A dying star shed most of its layers before exploding, revealing the first-ever glimpse at the innermost shell of a supernova

Around the world, birds sing longer in light-polluted areas

Adding a magnet to electrolysis could simplify the production of oxygen in weightless conditions, researchers report in Nature Chemistry

study finds common artificial sweetener sucralose may reduce effectiveness of cancer immunotherapy by altering gut bacteria and lowering arginine levels

A meta-analysis shows that even taking 7,000 steps per day can lower a person’s risk of disease

‘Rehab’ exposes the dark underside of U.S. drug treatment centers

Using AI, scientists have built a “GPS” for cancer-fighting immune cells

Artificial intelligence that "feels" guilt could lead to more cooperation

Visual recognition of someone who looks sick might prime a person’s immune system

New Horizons visited Pluto 10 years ago. We’re still learning from it