News from

News Archive

Every story published by Penn Today—all in one place.
Reset All Filters
21016 Results
Gravity follows Newton and Einstein’s rules, even at cosmic scales
An artist's depiction of two galaxies, side-by-side, swriling at different velocites.

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)

Gravity follows Newton and Einstein’s rules, even at cosmic scales

By tracking galaxy clusters hundreds of millions of light-years apart, Penn physicist Patricio Gallardo and collaborators find that the laws of gravity written by Newton and Einstein still hold, leaving little doubt that invisible dark matter exists.

3 min. read

A new swarm AI project takes on safety at scale
Ph.D. student, Hongrui Zheng (left), and Rahul Mangaharam (right) flying drones.

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)

A new swarm AI project takes on safety at scale

Researchers at Penn’s xLAB are collaborating on a multiyear project to study how large teams of physical AI agents can cooperate, compete, and act safely outside of software and in the real world.

Melissa Pappas

2 min. read

Damon Centola named 2026 Guggenheim Fellow
Damon Centola

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)

Damon Centola named 2026 Guggenheim Fellow

The Elihu Katz Professor of Communication, Sociology and Engineering, he is among the 223 people chosen for the Guggenheim’s 101st class of Fellows.

1 min. read

How ‘The Pitt’ lands with a Penn emergency department nurse
Noah Wyle acting a scene from “The Pitt” in an ER.

Noah Wyle in Season 2 Episode 14 of “The Pitt.”

(Image: Warrick Page/HBO Max)

How ‘The Pitt’ lands with a Penn emergency department nurse

From nurse representation to specific cases, Penn Presbyterian registered nurse Bobbie Poller shares his take on season two of the HBO Max medical drama. This article contains spoilers.

3 min. read

Penn Vet launches Pathway to Rural Veterinary Practice to strengthen Pennsylvania’s agricultural economy and align with USDA rural workforce strategy

Penn Vet launches Pathway to Rural Veterinary Practice to strengthen Pennsylvania’s agricultural economy and align with USDA rural workforce strategy

The Pathway to Rural Veterinary Practice is a new program designed to expand the pipeline of trained veterinarians able to serve rural communities and strengthen Pennsylvania’s agricultural economy.

Call for help for Caribbean nursing challenges

Call for help for Caribbean nursing challenges

A new Penn Nursing study reveals critical work environment concerns for the Caribbean nursing workforce and systemic failures that contributing to international migration from the region.