All Stories
- Space
Most distant quasar raises questions
Superbright object appeared surprisingly soon after the Big Bang, challenging some theories about how black holes arose.
- Life
Alzheimer’s plaques due to purging flaw
A gene controls the clearance of a protein that accumulates in the brains of people with the condition.
- Space
Atom & Cosmos
When Jupiter aligns with Mars’ moon, plus a salty Saturnian moon and an eye-catching comet in this week’s news.
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- Earth
BPA makes male mice less macho
Studies show that exposures in the womb or during adolescence can erase masculine habits or reverse sexes' behavior.
- Animals
Lionfish no match for big groupers
Despite its invasive success, the lionfish can't withstand grouper appetites.
- Life
Tasmanian devil genomes offer some hope, few answers
While clues to combating the infectious cancer that's threatening the species remain elusive, the completion of two genetic blueprints reveals a low but stable genetic diversity.
- Space
A fine how-do-you-do from an asteroid
Five days after being discovered, an interplanetary visitor passes 12,300 kilometers above Earth’s surface.
- Health & Medicine
Bright minds tackle global health
Nobel laureates, young scientists meet in Germany to exchange ideas for fighting disease.
- Humans
Bone may display oldest art in Americas
A mammoth engraved on a fossil may date from at least 13,000 year ago.
- Life
New gene therapy fixes mistakes
For the first time scientists have repaired a damaged gene in a living mouse.
- Earth
Floodwaters may trigger fault motion
In sediments under California’s Salton Sea, geologists find evidence for a natural disaster one-two punch.
