66 million years ago, a fish chewed up and spit out food. It's now a fossil in Denmark The fossil was found at a cliff in Denmark. Fossilized vomit is called regurgitalite, and it's a type of trace fossil, which tells scientists about an organism's daily life. James Doubek
Step inside the secret lab where America tests its nukes A thousand feet beneath the desert, the United States conducts experiments to verify that its weapons work. But some fear a live test could come soon. Geoff Brumfiel
Here's how climate change fueled the Los Angeles fires Extreme conditions helped fuel the fast-moving fires that destroyed thousands of homes. Scientists are working to figure out how climate change played a role in the disaster. Lauren Sommer
Why members of two of EPA's influential science advisory committees were let go Acting EPA Administrator James Payne sent an email to members of the agency's Science Advisory Board and the Clean Air Scientific Advisory Committee informing them that both are being "reset." Alejandra Borunda
Trump asks SpaceX to 'go get' two stranded ISS astronauts. They're not stranded Two NASA astronauts flew to the International Space Station in June on Boeing's Starliner capsule. The test flight was planned for eight days but technical troubles forced the capsule to return empty. Brendan Byrne
Not your average baby shark: An aquarium welcomes a pup from an all-female tank Yoko the swell shark was born in a habitat of all-female sharks who hadn't seen a male in years. The aquarium has two possible explanations — and hopes to get confirmation in the coming months. Rachel Treisman
National Science Foundation freezes grant review in response to Trump executive orders The National Science Foundation has canceled all grant review panels this week. It's unclear how long the pause could last. Jonathan Lambert
Here's how Trump's pause on wind projects could threaten jobs and climate goals A Trump executive order temporarily pauses leases and permits for offshore and onshore wind projects. Wind advocates say an offshore wind freeze could threaten states' climate goals and jobs. Julia Simon
The debut of new pandas in D.C. marks the latest chapter in China's 'panda diplomacy' Friday's debut of new pandas at the National Zoo in D.C. is the latest chapter in a long tale of "panda diplomacy" between China and the rest of the world. Rachel Treisman
The U.S. is trying to unravel a hacking plot that targeted climate activists The U.S. claims the hacking was commissioned by a lobbying firm working on behalf of one of the world's biggest oil companies. Michael Copley
