Blood tests confirm a second person in Missouri caught bird flu without exposure to infected animals, but questions remain
In a cosmic horror show, this zombie star survived a supernova explosion
Scientists identify firefly species that flickered during the time of dinosaurs
Lunar Google Doodle and card game honor October's last quarter moon
World on pace for significantly more warming without immediate climate action, report warns
Tiny airborne particles within air pollution could be a silent killer – new study uncovers hidden risks and reveals who’s most at risk in New York state
Watch SpaceX launch next-gen US spy satellites today on 100th Falcon 9 flight of the year (video)
A SpaceX capsule is coming back to Earth. Here’s why Boeing Starliner’s astronauts aren’t on it
