Jean Grey and Cyclops in the new Disne series X-Men '97. Marvel Animation/Disney hide caption

Following a new EPA rule, public water systems will have five years to address instances where there is too much PFAS in tap water – three years to sample their systems and establish the existing levels of PFAS, and an additional two years to install water treatment technologies if their levels are too high. Justin Sullivan/Getty Images hide caption

Yu Darvish #11 of the San Diego Padres throws a pitch during the third inning against the St. Louis Cardinals at Petco Park on April 2, 2024 in San Diego, California. Brandon Sloter/Getty Images hide caption

The black-capped chickadee, seen here, is well known for its strong episodic memory. Dmitriy Aronov hide caption

Diamond ring effect as seen from Scottsville, Kentucky during the 2017 total solar eclipse. Philip Yabut/Getty Images hide caption

Science writer David Baron witnesses his first total solar eclipse in Aruba, 1998. He says seeing one is "like you've left the solar system and are looking back from some other world." Paul Myers hide caption

NASA astronaut and Expedition 70 Flight Engineer Loral O'Hara is pictured working with the Microgravity Science Glovebox, a contained environment crew members use to handle hazardous materials for various research investigations in space. NASA hide caption

Shohini Ghose is the author of the 2023 book Her Space, Her Time: How Trailblazing Women Scientists Decoded the Hidden Universe. Throughout the book, Ghose highlights the stories of women who have transformed physics and astronomy. Courtesy of MIT Press hide caption

The National Ignition Facility used lasers to generate net energy from a pellet of fusion fuel in 2022. But the experiment is still a long way from truly producing more electricity than it requires. Lawrence Livermore National Laboratory hide caption

Millions of people are affected by long COVID, a disease that encompasses a range of symptoms — everything from brain fog to chronic fatigue — and that manifests differently across patients. The Washington Post/The Washington Post via Getty Images hide caption

Shifu voiced by Dustin Hoffman and Po voiced by Jack Black return in DreamWorks Animation's Kung Fu Panda 4. DreamWorks Animation hide caption