A possible new source for the galaxy’s elements
One candidate is a fast-spinning star that collapsed and exploded 13 billion years ago
The fish that used GPS
Turns out some sharks know where on Earth they are, thanks to their trusty internal compass
The nerve-racking effects of plastic additives
Researchers had hoped the brain could deal with bisphenols such as BPA and BPS. They were wrong
History of the halo around the sun
After 70 years, a timeline emerges for the mysterious Oort cloud that surrounds our solar system
The ant and the freeloader
An infection makes parasites of those affected, and wrecks harmony in the ant colony