All Stories
- Health & Medicine
Readers respond to antibiotics, carbon bonds and more
Allergic overreactions, the possibility of silicon-based life and more in reader feedback.
- Physics
Smashing gold ions creates most swirly fluid ever
Collisions of gold ions create a fluid with more vorticity than any other known.
- Astronomy
Observers caught these stars going supernova
Thirty years ago, astronomers witnessed a nearby stellar explosion, but it wasn’t the first. Humanity has been recording local supernovas for nearly two millennia.
- Astronomy
When a nearby star goes supernova, scientists will be ready
Scientists hope to detect neutrinos and gravitational waves from a nearby supernova.
- Astronomy
30 years later, supernova 1987A is still sharing secrets
The 1987 explosion of a star near the Milky Way 30 years ago set off years of fascinating findings.
- Neuroscience
Mysteries of time still stump scientists
The new book "Why Time Flies" is an exploration of how the body perceives time.
- Climate
Hot nests, not vanishing males, are bigger sea turtle threat
Climate change overheating sea turtle nestlings may be a greater danger than temperature-induced shifts in their sex ratios.
By Susan Milius - Health & Medicine
Weekend warriors put up a fight against death
Weekend warriors shove all their weekly activity into just one or two days, and it’s still enough to reduce mortality risk.
- Psychology
Long-lasting mental health isn’t normal
Those who stay mentally healthy from childhood to middle age are exceptions to the rule.
By Bruce Bower - Animals
A diet of corn turns wild hamsters into cannibals
Female European hamsters fed a diet of corn eat their young — alive. They may be suffering from something similar to the human disease pellagra.
- Animals
Pectoral sandpipers go the distance, and then some
Even after a long migration, male pectoral sandpipers keep flying, adding 3,000 extra kilometers on quest for mates.
- Earth
Oxygen flooded Earth’s atmosphere earlier than thought
The Great Oxidation Event that enabled the eventual evolution of complex life began 100 million years earlier than once thought, new dating of South African rock suggests.