For the first time, wind and solar generated more energy in the European Union than any other power source.
The Earth’s inner core may be slowing its rate of rotation—possibly reversing direction relative to the rest of the planet.
Beaming a high-powered laser into the sky might be a more effective way to control lightning strikes.
New genomic research reveals ancient peoples didn’t just travel from Asia to North America; they likely journeyed back too.
Plus, scientists have found the oldest known fragments of DNA.
So far no one is at imminent risk from the flow of lava from the famed volcano. But an important climate research station is without power.
Projections show that population growth will slow down in the coming decades.
Across the U.S., people voted on topics like healthcare, climate change infrastructure, and abortion.