There hadn't been an eruption on the Reykjanes Peninsula in nearly 800 years. A different volcano in Iceland erupted in 2010, spewing ash that caused long-lasting trouble for international air travel.
Researchers worry another coronavirus will spill over from a bat or some other creature. They're hunting for sources — and finding evidence that a new pandemic could be around the corner.
In many places, the 6-foot guidance was interpreted as requiring schools to operate on part-time schedules in order to reduce class sizes. A 3-foot rule would allow many more schools to reopen fully.
Astronomers once gazed at the night sky and charted the stars using their naked eyes. Astrophysicist Emily Levesque describes how generations of telescopes have unlocked the wonders of the universe.
Many people think of Antarctica as desolate. But wildlife filmmaker Ariel Waldman says the coldest continent is brimming with invisible life — that can only be seen through microscopes.
All it took was one coronavirus to turn the world upside down. But how many more are out there, lurking in animals? And what's the chance they could jump into people and trigger another outbreak?
The world of matchmaking won't have to rely on luck as much as math, thanks to Yunseo Choi. The 18-year-old came up with a matching theory that can be applied to people looking for a life partner.