Astronomers have been confounded by recent evidence that the universe expanded at different rates throughout its life. New findings risk turning the tension into a crisis, scientists say.
The saying "weak in the knees" may be figurative for many, but can it really happen to people?
Common degus clean themselves and communicate with urine, and they can detach their own tails to escape predators.
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.
Physicists have long-suspected that the building blocks of protons experienced quantum entanglement. Now, researchers have the first direct evidence — after using a trick to infer subatomic particles' entropy.
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.
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.
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.
Discover a microscopic world with one of the best microscopes for students and young scientists, without emptying your wallet.
