An Army of Sea Urchins Could Help Save Coral Reefs
The creatures eat harmful algae, but they're disappearing. Scientists are trying to grow more of them.
Science
Your Air Conditioner Is Lying to You
How does money-saver mode make sense?
Boeing Has Created the Flight Delay to End All Flight Delays
Boeing sent two NASA astronauts to space for eight days. They could be there for eight months.
Climate Change Is Shifting the Planet’s Most Basic Properties
Humans have managed to slow the Earth’s spin and shift its axis.
The Last Thing Bees Need Right Now
Air pollution is distorting the insects’ sense of smell and memory.
Shade Will Make or Break American Cities
Trees are nice and all, but they’re not enough.
The Seine River Passed Its Test
Its water quality is still quite murky.
California’s Fire Luck Just Ran Out
The Park Fire is already one of the 10 largest recorded in the state’s history.
About Every 500 Years, a Major Quake Body-Slams Middle America
Experts can’t explain why, and big cities aren’t ready for another.
We Might Get Thrilling News About Aliens … in 2040
The search for extraterrestrial life starts with an interesting-looking rock. Bringing it back to Earth is the hard part.