cosmos

Time to explore a radical new idea shaking up our understanding of the cosmos: what if dark matter doesn’t exist at all? Some European astronomers propose that the Milky Way and Andromeda galaxies may have already collided once in the distant past—a theory that challenges long-held beliefs about gravity and the mysterious dark matter thought to hold galaxies together. Instead, they point to a bold alternative called MOND (Modified Newtonian Dynamics), which suggests gravity behaves differently on cosmic scales. If true, this could rewrite everything we know about the structure and evolution of the universe.

The Rosendale Theater will host, "The Effects of Gravity," on July 1 at 8 p.m. The event features astrophysicist Dr. Luke Keller, poet and storyteller David Gonzalez, and guitarist-composer- Álvaro Domene.

A new exhibition now open at the Frances Young Tang Teaching Museum and Art Gallery at Skidmore College is Parallax: Framing the Cosmos.

Dr. Neil deGrasse Tyson is director of the Hayden Planetarium, hosts Cosmos: A Spacetime Odyssey and is the former host of NOVA ScienceNOW on PBS. On…