Astronomers find hundreds of 'hidden' black holes — and there may be billions or even trillions more
Black holes that have been obscured by clouds of dust still emit infrared light, enabling astronomers to spot them for the very first time.
Planet Earth
LATEST ARTICLES
archaeology
We finally know what 1,400-year-old 'mystery rings' in Australia are
Archaeologists and Wurundjeri Woi-wurrung people are shedding new light on a series of enigmatic earth rings located in southeastern Australia.
Roman emperor quiz: Test your knowledge on the rulers of the ancient empire
The Roman emperors were once the most famous people in the world, ruling over an empire that stretched between what are now Spain and the Middle East. But just how much do you know about these characters? Take our quiz to find out.
Health
Can you transplant an organ more than once?
"Recycling" an already transplanted organ could help save lives, but the procedure comes with additional risks, physicians say.
Animals
Common degu: Oversized hamsters with societies governed by pee
Common degus clean themselves and communicate with urine, and they can detach their own tails to escape predators.
Human Behavior
Parents really do have favorites, study suggests
Parents are more likely to favor daughters and more-agreeable children, new research suggests, although the findings may only apply to people from certain demographics.
Physics & Mathematics
Something invisible and 'fuzzy' may lurk at the Milky Way's center, new research suggests
The cores of galaxies may not be made of what we thought, new research suggests — they could hold one giant, invisible star made of mysterious "fuzzy" matter.
'The Majoron' — a bizarre particle that's its own opposite — could explain the biggest mysteries of the universe, scientists claim
There's a significant imbalance between matter and antimatter in our universe, but a strange particle called "the Majoron" could finally explain it, an audacious new study suggests.
Chemistry
Scientists discover revolutionary method that makes fuel from water and sunlight — but it's not finished yet
Scientists in Japan have demonstrated a new method to create hydrogen fuel without emitting greenhouse gases. But key steps to improve its efficiency remain for it to be commercially viable.
Tech
'ELIZA,' the world's 1st chatbot, was just resurrected from 60-year-old computer code
Researchers discovered long-lost computer code and used it to resurrect the early chatbot ELIZA.
