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A drug called lenacapavir, administered in two injections a year, offers protection from HIV comparable to daily pills. One looming question: Will it be affordable for lower resource countries?

Earth doesn't rotate exactly on schedule. Scientists believe that today is going to be about a millisecond short of a typical 24-hour day.

Premieres Wednesdays, June 25 - July 30, 2025 at 9 p.m. on KPBS TV / PBS app + Encores Sundays, June 29 - Aug. 6 at 9 p.m. on KPBS TV + Stream Season 1. Earth has never experienced anything like us: a single species dominating and transforming the planet. Biologist Shane Campbell-Staton travels the globe to explore our Human Footprint and to discover how the things we do reveal who we truly are.

Join us for San Diego Central Library's Fantastical Fiction Forum, where we discuss fantasy, horror, and science fiction books in a friendly, inclusive group! Our March discussion book is: “The Saint of Bright Doors,” Vajra Chandrasekera! This hybrid program allows for virtual and in-person attendance. If you plan to attend in-person, we will meet in the Sullivan Library Commission Room on the 9th floor of the library. If you plan to attend virtually, you will receive a zoom link with your confirmation email when you register. Visit: https://sandiego.librarymarket.com/event/fantastical-fiction-forum-423004

What keeps you up at night when it comes to kids and technology?

Congressional Republicans have become more aligned with President Trump since he first took office. That makes even a single vote against him a "moderate" stance, even for staunch conservatives.

KPBS Midday Edition spoke with Jacob Margolis, a science reporter for LAist Public Radio and host of the podcast “The Big One: Your Survival Guide” about preparing for and responding to an earthquake.

Chesapeake Bay is at a turning point. Once severely polluted, the bay has seen major improvements in recent years. But President Trump's proposed budget would slash key programs.

One explanation for the rise in obesity in industrialized countries is that people burn fewer calories than people in countries where obesity is rare. A major study finds that's not the case.

The Jeffrey B. Graham Perspectives on Ocean Science Lecture Series returns to Birch Aquarium at Scripps Institution of Oceanography at UC San Diego with a three part speaker series that provides an in-depth look at the art-science collaborations that gave rise to Birch Aquarium’s "Embodied Pacific: Oceans Unseen" exhibition beginning with Superradiance. Embodying Earth. by artists Memo Akten and Katie Peyton Hofstadter. Superradiance. Embodying Earth. is a multiscreen video and sound installation by artists Memo Akten and Katie Peyton Hofstader that serves as a centerpiece of Birch Aquarium’s "Embodied Pacific: Oceans Unseen" exhibition. Inspired by conversations between the artists and Scripps researchers, this work explores the complex interactions between land, ocean and atmosphere that shape our living planet by interweaving dance, poetry, music and generative imagery with artificial intelligence. Join us for a conversation with the artists as they describe how they use art to engage us in science, evoking a visceral and intimate connection to our living planet. Seating is limited and lectures often sell out, so advanced registration is strongly recommended. Doors open at 6:30 p.m. and the lecture begins at 7 p.m. Birch Aquarium at Scripps on Facebook / Instagram / X