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Should you take that trip? How long does the virus last on surfaces? And what does it mean to "flatten the curve?"

The U.S. hosted an event on coal and refused to endorse the findings of a dire climate science report. And yet, in official negotiations, the U.S. is working out how to implement the Paris agreement.

"Case fatality rates have been very confusing," says Dr. Steven Lawrence, an infectious disease expert. Here's why.

The U.S. adds more jobs in January, coronavirus concerns blunt an otherwise strong week for stocks, Macy's announces store closures and San Diego launches a new tourism campaign.

Journalist Steven Levy's rich history of the social network traces Facebook's cascading crises to the worldview and early decisions of its founder, Mark Zuckerberg.

Dr. Danielle Ofri says medical errors are more common than most people realize: "If we don't talk about the emotions that keep doctors and nurses from speaking up, we'll never solve this problem."

Shane Haggard and Lisa Will from San Diego City College discuss what would happen to the Earth if an asteroid knocked the moon closer to us, and what happens to Miranda Evan's family in "Life As We Knew It" by Susan Beth Pfeffer.

William Happer, a Princeton scientist who is doubtful of the dangers of climate change, appears to be leading a White House challenge to the government's conclusion that global warming is a threat.

Since the delightful snafu that led to the research vessel's goofy moniker, the autonomous submarine has been off gathering deep-sea data on the effects of Antarctic winds.

Scott Simon speaks to Randall Schweller, a political science professor at Ohio State University. Schweller is unusual in the international relations community for his support of President Trump.