Science
Researchers have recently uncovered what caused at least one very large "odd radio circle" in space. CSIRO / Jayanne English using data from MeerKAT and the Dark Energy Survey, 2022 hide caption
Odd radio circles are glowing around some galaxies. Now we know why
Newer blood tests can help doctors diagnose Alzheimer's disease without a brain scan or spinal tap. But some tests are more accurate than others. Tek Image/Science Photo Library/Getty Images hide caption
Blood tests can help diagnose Alzheimer's — if they're accurate enough. Not all are
Researchers from Columbia University and Rutgers University found roughly 240,000 detectable plastic fragments in a typical liter of bottled water. Jody Amiet/AFP via Getty Images hide caption
The James H. Miller Jr. Electric Generating Plant in Adamsville, Alabama is a coal-fired facility. In 2023 U.S. greenhouse gas emissions declined 1.9% because less of the country's electricity came from plants like this one. Andrew Caballero-Reynolds/AFP via Getty Images hide caption
U.S. cut climate pollution in 2023, but not fast enough to limit global warming
Deployable care robots from the company BeckerRobotics are called JAIme (l), Yanny (m) and Pepper. The robots usually still need a human at their side. dpa/picture alliance via Getty Images hide caption
This photograph taken on December 27, 2023, shows the last full moon of the year, also known as the "Cold Moon," behind New Year's decorations in Skopje, the capital of the Republic of Macedonia. Robert Atanasovski/AFP via Getty Images hide caption
One common stumbling block to sticking with a New Year's resolution is setting an unrealistic goal. Westend61/Getty Images hide caption
Don't let your resolutions wash away. Tips to turn a slow start into progress
The largest snow crystal ever photographed, according to scientist Kenneth Libbrecht. It measures 10 mm from tip to tip. Kenneth Libbrecht hide caption
Winter storm brings snow to the East Coast. But what's in a snowflake?
Five U.S. cities which imposed taxes on sugary drinks saw prices rise and sales fall by 33%, according to a new study. Justin Sullivan/Getty Images hide caption
Cities with soda taxes saw sales of sugary drinks fall as prices rose, study finds
When Voyager 2 flew by Neptune in 1989, it sent back images that were processed to better reveal features like bands and a dark spot. But a new study says it's actually a greener planet. NASA/JPL-Caltech hide caption
Don't look so blue, Neptune: Now astronomers know this planet's true color
A snow fly is seen surviving in the Cascades mountains in Washington state. The insect is capable of surviving below the freezing point of water, continuing to move until it finally freezes itself. John Tuthill hide caption
Snow flies' funky adaptations to survive (and get frisky) in the cold
People who use hearing aids to restore hearing have a 24% lower risk of death, compared to people who don't use hearing aids, a new study finds. Pekic/Getty Images hide caption
Hearing aids may boost longevity, study finds. But only if used regularly
Human brains aren't built to comprehend large numbers, like the national debt or how much to save for retirement. But with a few tools â analogies, metaphors and visualizations â we can get better at it. erhui1979/Getty Images hide caption
Drinking turns some red with Asian Glow—and may fight diseases like tuberculosis
Some of the constellations that are visible from the Northern Hemisphere at different times of the year. NASA/JPL-Caltech hide caption
Checking your 2024 horoscope? Astronomy explains why your sign might have changed
Smoke from wildfires turned the skies orange behind New York's Chrysler Building in June 2023. The smoke affected millions across the central and eastern U.S. David Dee Delgado/Getty Images hide caption
Wildfire smoke this year woke up places unaccustomed to its effects. Now what?
2023 in science: AI, the hottest year on record, and galactic controversy
Listening to our favorite songs can trigger feelings of awe and wonder in our brains—and there's a scientific reason for that. Plus, two other stories on the science behind music. Ralf Hiemisch/Getty Images hide caption
People want to make everything better — but sometimes different is just as good
Chimpanzees and bonobos recognize photos of groupmates they haven't seen for more than 25 years, and respond even more enthusiastically to pictures of their friends, a new study finds. Kate Grounds/Edinburgh Zoo hide caption
Palestinian children, having fled the Israeli bombing of the northern Gaza Strip in response to the Oct. 7 attack by Hamas, are living in temporary shelters at Al-Aqsa Martyrs Hospital. Global health groups say they are doing what they can to keep a lid on infectious diseases amid crowded, unsanitary conditions and a devastated health-care system. Majdi Fathi/NurPhoto via Reuters Connect hide caption