All Stories
- Health & Medicine
Protein signatures may one day tell brain diseases apart before symptoms
Blood tests could pave the way for distinguishing between Alzheimer’s, Parkinson’s and some dementias, aiding early treatment for brain diseases.
- Health & Medicine
Organ age, not just your birthday, may determine your health risks
Blood proteins that reveal some organs age faster than others — and that may predict disease and lifespan.
- Artificial Intelligence
Does the AI industry operate like a modern colonial empire?
In Empire of AI, journalist Karen Hao investigates OpenAI and the social and environmental costs of a multinational tech arms race.
- Paleontology
How fast did dinosaurs really go? Birds walking in mud provide new clues
Tracks of dinosaur footprints can hint at how fast the extinct animals moved. Here’s how guinea fowl can help fact-check those assumptions.
- Space
The biggest black hole smashup ever detected challenges physics theories
Gravitational waves spotted by LIGO reveal two black holes, 140 and 100 times the mass of the sun, merged to become a 225 solar mass behemoth.
- Space
A newly discovered interstellar object might predate the solar system
3I/ATLAS might be over 7 billion years old, a new study reports, which would make it the oldest comet known. But experts caution we need more data.
- Chemistry
Gut microbes may flush ‘forever chemicals’ from the body
Experiments in mice show that some gut bacteria can absorb toxic PFAS chemicals, allowing animals to expel them through feces.
- Planetary Science
New Horizons visited Pluto 10 years ago. We’re still learning from it
Over the past decade, researchers have been puzzling through Pluto’s mysteries. Meanwhile, the New Horizons probe heads for interstellar space.
- Animals
Greenland sled dog DNA is a window into the Arctic’s archaeological past
A genomic analysis of Greenland’s Qimmeq dogs suggest they and their human partners arrived on the island centuries earlier than previously thought.
- Climate
Trees can’t get up and walk away, but forests can
In fantasy worlds, trees like the Lord of the Rings’ Ents are agile and mobile. In the real world, they’re slow.
- Earth
An ancient Earth impact could help in the search for Martian life
Strange cone-shaped rocks led scientists to the hidden remains of one of Earth’s oldest asteroid impacts. It could help us find fossil life on Mars.
- Animals
As bird flu evolves, keeping it out of farm flocks is getting harder
New versions of the H5N1 virus are increasingly adept at spreading. Suggestions to either let it rip in poultry or vaccinate the birds could backfire.
