All Stories
- Astronomy
A gas clump in the Milky Way’s neighborhood might be a ‘dark galaxy’
A blob of gas seen outside the Milky Way could be a type of starless, dark matter–dominated galaxy. Some scientists are skeptical.
- Environment
Fires in the Amazon forest may melt sea ice in Antarctica
Satellite data reveal a link between the amount of black carbon in the atmosphere and rates of Antarctic sea ice loss in recent years.
- Humans
Ancient horse hunts challenge ideas of ‘modern’ human behavior
An archaeological site in Germany suggests communal hunting and complex thinking emerged earlier in human evolution than once thought.
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Limits of Knowledge Crossword
Solve our latest interactive crossword. We'll publish science-themed crosswords and math puzzles on alternating months.
- Astronomy
A claimed hint of alien life whips up spirited debate
Astronomers have a lot of thoughts about the latest paper claiming we’ve found the strongest hints of alien life yet on the distant planet K2 18b.
- Space
A NASA rover finally found Mars’ missing carbon
The Curiosity rover identified hidden caches of the mineral siderite, which could help explain why Mars lost its habitable climate.
- Health & Medicine
Clinical trials face uncertain futures amid Trump cuts
The Trump administration has reportedly disrupted over 100 clinical trials. Science News spoke to researchers about the impacts on four of them.
- Astronomy
Yes, there really is a black hole on the loose in Sagittarius
Astronomers now agree: They’ve spotted the first isolated stellar-mass black hole ever seen.
- Physics
Imitation dark matter axions have arrived. They could reveal the real thing
A long-elusive, hypothetical subatomic particle called the axion can be simulated and potentially detected in a type of thin material.
- Neuroscience
Early Parkinson’s trials revive stem cells as a possible treatment
The phase I clinical trials showed stem cell transplants for Parkinson’s disease appear to be safe and might restore dopamine-producing brain cells.
- Health & Medicine
A messed-up body clock could be a bigger problem than lack of sleep
For a good night of sleep, consider getting your circadian rhythm back in sync with the sun. Here’s how to do it.
- Artificial Intelligence
Tech billionaires’ vision of an AI-dominated future is flawed — and dangerous
Adam Becker’s new book, More Everything Forever, investigates the dangers of a billionaire-driven tomorrow, in which trillions of humans live in space, served by AI.
