With new data from the European Gaia spacecraft, astronomers can now explore 1.8 billion cosmic objects in unparalleled detail.
Up to 90% of people are right-handed. Scientists are still trying to figure out why lefties have always been in the minority.
Scientists are still trying to understand how the cycle of ice ages works, especially because human-caused climate change may have permanently broken the cycle.
Even if humans manage to prevent further global warming, the glaciers will still lose half their volume by 2050.
European scientists looking for some of the oldest ice on the planet have homed in on a particular spot in Antarctica.
A set of four tiny combs from the Polynesian kingdom Tonga might be among the world's oldest tattoo kits.
Foot-binding was practiced for 1,000 years in China, but archaeologists are only starting to study this form of body modification.