Last year, cosmologists working on the Dark Energy Spectroscopic Instrument (DESI) reported hints that the mysterious dark energy thought to be driving the expansion of the universe may be weakening ...

I am pleased to announce the 2026 lineup of our Astronomy Lecture Series at The Huntington. For 24 seasons, these annual public programs have brought the thrill of discovery and the wonders of the ...

SINCE its first announcement by Dr. E. P. Hubble in 1929, the existence of a linear relation between Velocity’ and distance among the extra-galactic nebulae has excited a great deal of theoretical ...

Visible light is only a small portion of the electromagnetic spectrum. What does the Universe look like at radio wavelengths? This lecture will explore the surprising and fascinating history of radio ...

Charlie Dawson is a little different from the other thinkers invited to make presentations at the Minkowski Institute’s Seventh International Conference on the Nature and Ontology of Spacetime.

A team of researchers—including Nobel laureate Saul Perlmutter, who first revealed the universe’s accelerated expansion—has developed a more rigorous way to study dark energy. Their new results add ...

This repository contains lecture materials for a one-hour introduction to Simulation-Based Inference (SBI) in cosmology, presented at the Les Houches Summer School on Dark Universe at the Les Houches ...

ABSTRACT: Within the framework of Winterberg’s model for space where the vacuum consists of a very stiff two-component superfluid, made up of very massive, positive as well as negative mass, Planck ...

Their Origin and Development. By Harold C. Urey. (Yale University: Mrs. Hepsa Ely Silliman Memorial Lectures.) Pp. xvii + 245. (New Haven, Conn.: Yale University ...

Abstract: Gravity is the overarching miracle connecting everything we know and the reason the Universe itself can even exist and evolve. It elevates space and time from mere pieces of scenery into ...

On February 27, the Department of Physics will welcome Dr. Stephon Alexander to present the annual Kaczmarczik Lecture, one of the College of Arts and Sciences’ signature events. In his lecture, "The ...

Discussions are underway to select the next speaker for the Elon Musk Public Lecture series, which was last held at Penn in 2023. The Musk lectures began in 2009 following an endowment by 1997 College ...