Why Some Volcanic Eruptions Don't Have Bigger Climate Impacts
Hunga Tonga-Hunga Ha'apai volcano could have ejected more planet-cooling ash when it recently erupted. Scientists aren't sure why it didn't.

Why are more married couples living apart?
The latest U.S. Census shows roughly 3.89 million American married adults are living apart.
By Scripps News
Why audiences are getting their news from comedians
Getting some comedy with your news may help you remember what you’re learning.
By Victoria Will / AP
How do Amazon packages get delivered so quickly?
When retailers like Amazon deliver on their speedy shipping promises, it’s good news for consumers. But it can compromise workplace safety.
By Mark Lennihan / APTop Stories

President Biden to end COVID-19 emergencies May 11
This comes as lawmakers have already ended elements of the emergencies that kept millions of Americans insured during the pandemic.
By Susan Walsh / AP
Reports: New grand jury in NY examining Trump hush money
News outlets, citing unnamed sources, reported witnesses started testifying before a grand jury to hear evidence against Trump in a years-old probe.
By Alex Brandon / AP
Brazil's Bolsonaro applies for 6-month US visitor visa
The former president applied for the visa amid an investigation into whether he had any role in inciting an uprising in Brazil's capital.
By Eraldo Peres / AP