Science Friday Science Friday and WNYC Studios

Early data from the DESI collaboration suggests that dark energy, which powers the universe’s accelerating expansion, may evolve over time.

The latest update moves the recommended age to start mammograms from 50 down to 40. How are these decisions made?

Upgrades to the power grid under a new rule could help accommodate an increasing renewable energy supply and meet data center demands. Also, extremely small particles might help scientists develop vaccines that are stable at room temperature and easier to administer.

Sports ecologist and author Dr. Madeline Orr discusses how climate change is affecting sports, from ski conditions to athletes’ health.

Medical researchers are working to better understand—and hopefully mute—tinnitus, a persistent “ringing in the ears.”

In her new book, Dr. Rae Wynn-Grant shares how her lifelong love for the natural world led her to become a nature TV show host.