Major strides in environmental protection include a hard-fought treaty to protect ocean life clearing its final hurdle, alongside the E.P.A. keeping polluters responsible for 'forever chemicals' cleanup despite internal opposition, and climate activists challenging executive orders in court in Montana.

• Hard-Fought Treaty to Protect Ocean Life Clears a Final Hurdle — The New York Times Science -
• E.P.A. Keeps Polluters on the Hook to Clean Up ‘Forever Chemicals’ — The New York Times Science -
• Climate Activists Argue 3 Executive Orders Violate Their Constitutional Rights — The New York Times Science -

In medical innovation, the FDA approved a new Keytruda shot for cancer, offering a quicker and easier treatment option, though raising concerns about cost and competition.

• FDA OKs New Keytruda Shot for Cancer — The New York Times Science -

Astronomers have announced the discovery of a tiny quasi-moon that is currently following Earth around the Sun, expected to remain with our planet for nearly six more decades.

• A Tiny Quasi-Moon is Following Earth Around the Sun — The New York Times Science -

A unique initiative is underway with a veterinarian starting a blood bank for zoos, addressing the critical need for transfusions in captive animals.

• She’s Starting a Blood Bank for Zoos — The New York Times Science -