All Stories
- Space
The James Webb telescope may have spotted stars powered by dark matter
Three objects in the distant universe bear signs of hypothesized “dark stars,” researchers claim, though others say more definitive data are needed.
- Humans
Human embryo replicas have gotten more complex. Here’s what you need to know
Lab-engineered human embryo models created from stem cells provide a look at development beyond the first week. But they raise ethical questions.
- Archaeology
How an ancient solar flare illuminated the start of the Viking Age
Improved radiocarbon dating aided by a solar flare in the year 775 sheds light on the early days of Vikings and global trading in medieval times.
- Planetary Science
NASA’s DART mission lofted a swarm of boulders into space
Hubble telescope images of the asteroid Dimorphos reveal a halo of 37 dim, newfound objects — most likely boulders shaken loose from the surface.
- Health & Medicine
With a new body mapping technique, mouse innards glow with exquisite detail
Removing cholesterol from mouse bodies lets fluorescently labeled proteins infiltrate every tissue, helping researchers to map entire body systems.
- Earth
‘The Next Supercontinent’ predicts a future collision of North America and Asia
In his new book, Ross Mitchell traces the dance of the continents through time to predict what Amasia, the next supercontinent, might look like.
- Psychology
Time in nature or exercise is touted for happiness. But evidence is lacking
A review of hundreds of studies finds limited strong scientific evidence to support many common recommendations for leading a happier life.
- Physics
Centuries on, Newton’s gravitational constant still can’t be pinned down
A new experiment could finally answer the question 'What is the strength of gravity?' But it's a hard test to do.
- Climate
What’s causing this summer’s extreme heat waves?
Climate change and meandering jet streams are fomenting this summer’s extreme waves of heat.
- Planetary Science
Granite likely lurks beneath the moon’s surface
Without plate tectonics or water, granite is hard to make. But a 50-kilometer-wide hunk sits beneath the moon’s surface, lunar orbiter data suggest.
- Health & Medicine
‘Milking’ umbilical cords may help some sickly newborns
Taking a few seconds to push umbilical cord blood into a baby’s belly could provide extra essential nutrients. But questions about the practice remain.
- Planetary Science
A rain of electrons causes Mercury’s X-ray auroras
The first direct measurement of electrons raining down on Mercury suggests this particle precipitation causes most auroras in the solar system.
