A strange comet-like object discovered over five years ago was the first known visitor from another solar system. Its movement was so odd that scientists struggled to explain it, until now.
Scientists have sequenced the genome of Ludwig van Beethoven from two-century-old locks of hair, and found clues about the ailments that plagued him in life.
Mora Leeb was 9 months old when surgeons removed half her brain. Now 15, she plays soccer and tells jokes. Scientists say Mora is an extreme example of a process known as brain plasticity.
A professor lends worms to students, takes them to sewage processing plants and encourages them to answer their own questions about garbage. Sometimes, they even make a career out of it.
Russia is using a dam it controls to release water from Ukraine's massive Kakhovka Reservoir. It's one of dozens of cases where the war is limiting access to safe water.
Scientists used a wave pool designed for surfing to study how wind affects waves. The research will help them predict and track coastal flooding and erosion.
GOOD Meat, which grows chicken and other meat from animal cells in a production facility, is the second company to cross this hurdle. The move brings no-kill meat closer to sale in the U.S.
It's significant, according to officials with the Houston Zoo, because the radiated tortoise is a critically endangered species whose numbers are in decline.