The cosmic microwave background, the faint afterglow of the Big Bang that fills all of space, passes through massive galaxy clusters whose motion slightly alters the light, allowing scientists to measure how fast the clusters are moving toward one another and test how strongly gravity pulls across the largest distances in the universe.
(Image: Courtesy of Lucy Reading/Simons Foundation)
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Matthew Klebanoff of the Perelman School of Medicine comments on patient access to GLP-1 drugs.
Ph.D. student Hongrui Zheng (left), and Rahul Mangaharam, ESE professor and principal investigator of xLAB, with the drones used in this research.
(Image: Courtesy of Penn Engineering)
As director of the Network Dynamics Group and a senior fellow at the Leonard Davis Institute of Health Economics, Centola’s research centers on social networks and behavior change.
(Image: Courtesy of Annenberg School for Communication)
Penn President J. Larry Jameson at a Penn Forward kickoff event in September 2025.
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Yentley Soto Albreacht, an M.D./Ph.D. student in the Perelman School of Medicine, is seeking to find a cure for ALS after losing her father to the disease she may one day face herself.
Neil Sehgal, a Ph.D. student in the School of Engineering and Applied Science, discusses a new study suggesting that artificial intelligence may help identify potential side effects of popular GLP-1 weight-loss drugs that are discussed online but may not appear in clinical trial data.
Noah Wyle in Season 2 Episode 14 of “The Pitt.”
(Image: Warrick Page/HBO Max)