Emily Kwong and Regina Barber of NPR's Short Wave talk about a comet visiting from interstellar space, caterpillars that eat and break down plastic, and how animals' sense of smell varies by altitude.

Brazil's President Lula is firing back at Trump's 50% tariff threat — saying Brazil is ready to match any U.S. import taxes, dollar for dollar.

The Trump administration's crackdowns on immigrants is causing a profound change in the labor force right now. Today on the show: are immigrants still showing up for work?

DOGE recently got high-level access to a database that controls billions of dollars in government payments to farmers and ranchers across the U.S.

Immediately after floods devastated Texas, nominees to fill key roles at NOAA were grilled by senators ahead of a confirmation vote. The agency faces a major budget cut and employee losses.

A tapestry embroidered with scenes of the 1066 Norman invasion is returning to the U.K. for the first time in 900 years. On a state visit, France's president announced a loan to the British Museum.

President Trump said he expected talks this week with Israel's prime minister to result in a ceasefire in the 21-month war in Gaza. But Netanyahu is returning home with no deal.

MyPillow creator Mike Lindell's lawyers were fined thousands for submitting a legal filing riddled with AI-generated mistakes ...

TikTok researchers and users say there is yet another type of deception to look out for on the hit video app: Deepfake videos that copy the exact words of a real creator but in a different voice.

More than 100 people were killed in the floods. On Wednesday night, the community held a vigil at the local high school ...

President Trump has indicated that he may send an additional Patriot missile system to Ukraine to aid its air defense against escalating Russian attacks. But just last week, military leaders said the ...

President Trump says the U.S. might send another Patriot missile system to Ukraine to support them against Russia's intensifying assault against the country.