All Stories
- Cosmology
Debate grows over whether X-rays are a sign of dark matter
The dwarf galaxy Draco, which is chock-full of dark matter, doesn’t emit a band of X-rays that researchers hoped were produced by the mysterious invisible stuff.
By Andrew Grant - Life
To push through goo, use itty, bitty propellers
Newly designed micropropellers mimic bacteria to move through viscous surroundings.
- Animals
New movie asks viewers to care about whale hunters. Will they?
A new movie tells the tale of sailors shipwrecked by a whale. But it’s hard to feel sorry for the people trying to kill the animal.
- Planetary Science
It’s a new planet! It’s an unknown star! It’s — oops!
A couple of unexpected wandering points of light in the sky could be new planets or even a dim star orbiting the sun, but researchers have plenty of reasons to be skeptical.
- Quantum Physics
Google’s quantum computer speeds up, but practical use is unclear
Google’s D-Wave quantum computer is getting faster, but it’s still unclear whether it will ever outperform regular computers at completing useful tasks.
By Andrew Grant - Life
Microbes show up on schedule after death
Microbes in the soil beneath dead bodies offer forensic clues for time and place of death.
By Meghan Rosen - Earth
Gooey rock in mantle thickens 1,000 kilometers down
Gravitational tugs provide an unprecedented peek into the structure of Earth’s mantle and reveal a sudden increase in viscosity roughly 1,000 kilometers below ground.
- Chemistry
Elusive chemical reaction transition state captured
A new method provides a detailed look at the elusive transition state.
- Neuroscience
Brain shapes come from mom and dad
By linking genes to brain shapes, scientists have a new way to study how the brain works.
- Archaeology
6,000-year-old skeletons in French pit came from victims of violence
Human bones in a French pit recall lethal conflicts and limb lopping 6,000 years ago.
By Bruce Bower - Animals
Some warblers make their long winter migration even longer
Blackpoll warblers in western North America head east to fatten up before their transoceanic migration.
- Animals
Playful pups conceived via in vitro fertilization for the first time
Scientists have solved the mystery of how to perform in vitro fertilization in dogs, which could help rid canines of heritable diseases.
By Meghan Rosen