News
- Paleontology
An ancient swimming revolution in the oceans may have never happened
Swimmers may not have suddenly dominated the oceans during the Devonian Period after all: New analyses suggest they took over much more gradually.
- Planetary Science
Jupiter has 12 more moons than we knew about — and one is bizarre
Astronomers found a dozen previously unknown moons of Jupiter, and one may be a remnant of a larger moon that was all but ground to dust.
- Environment
Wildfires are making extreme air pollution even worse in the northwest U.S.
America’s air is getting cleaner — except in places that are prone to wildfires.
