All Stories
- Earth
Erosion has erased most of Earth’s impact craters. Here are the survivors
Earth’s largest known impact crater measures 160 kilometers in diameter. The newest, yet to be confirmed, stretches a still-whopping 31 kilometers.
- Physics
These sound waves can levitate and move particles in new ways
A new machine that levitates objects using sound waves can manipulate several particles at once.
- Health & Medicine
Tumor ‘organoids’ may speed cancer treatment
Growing mini tumors in a lab dish, researchers can screen compounds to find promising combinations for treating rare cancers.
- Science & Society
Top 10 stories of 2018: Climate change, gene-edited babies, hidden craters and more
2018 was a year all about impact — on the planet, on solving crimes, on mosquito populations, on reversing paralysis, and more.
- Climate
Half a degree stole the climate spotlight in 2018
Climate attribution studies and new data on global warming targets put climate change in the spotlight this year.
- Genetics
News of the first gene-edited babies ignited a firestorm
A researcher in China announced he created two babies using CRISPR. Many scientists questioned the study’s ethics and medical necessity.
- Genetics
Crime solvers embraced genetic genealogy
DNA searches of a public genealogy database are closing cases and opening privacy concerns.
- Particle Physics
Neutrino discovery launched a new type of astronomy
Particles associated with a blazar kick-start the field of neutrino astronomy.
- Earth
Greenland crater renewed the debate over an ancient climate mystery
Scientists disagree on what a possible crater found under Greenland’s ice means for the Younger Dryas impact hypothesis.
- Animals
Humans wiped out mosquitoes (in one small lab test)
An early lab test of exterminating a much-hated mosquito raises hopes, but is it really such a great idea?
By Susan Milius - Health & Medicine
Drinking studies muddied the waters around the safety of alcohol use
Studies claiming that alcohol in even small amounts is dangerous weren’t designed to address risks of moderate drinking.
- Planetary Science
A buried lake on Mars excited and baffled scientists
Planetary scientists are still trying to explain how a lake could have formed beneath a kilometer and a half of Martian ice.