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Jul 12 | 8 PM in Beckman Auditorium 100th Stargazing Lecture

Nov 19 | 4 PM in Noyes 147 (J. Holmes Sturdivant Lecture Hall) Chemical Physics Seminar

Mar 4 | 4 PM in Noyes 147 (J. Holmes Sturdivant Lecture Hall) Chemical Physics Seminar

Palomar today (left); vintage image of the telescope (right)

A Big Eye on the Universe: 75 Years of the Palomar Observatory

A glowing disc of material with cloudlike material around it are lit up in the center of a dark image with a few bright starlike spots.

The Awakening of a Massive Black Hole

An aerial image of campus centered on Caltech Hall

Caltech Announces Newest Cohort of Leadership Chairs and Named Professorships

Artwork depicting the Landolt spacecraft

NASA Space Mission to Uncover Secrets of Exoplanets, Dark Energy, and More

The night sky, showing the Pleiades, a collection of stars on the left center of the image, and the star Aldebaran on the lower right.

Before the Telescope: Palomar's Indigenous Astronomers

Photo of the Large Hadron Collider at CERN

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