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Mar 16 | 4 PM in Cahill 370 Astronomy Tea Talk

Mar 16 | 4 PM in Athenaeum Presidential Distinguished Speaker Series: Julio Frenk

Mar 17 | 3 PM in Linde Hall 255 Fluids and Analysis Seminar

Two black circles appear to merge like bubbles with stars in the background.

Gravitational-wave observatories release new catalog of detections

Mars Curiosity rover set against a red Martian landscape.

The Rocks Remember: What the Rovers Have Taught Us About Habitability on Mars

Carl Grillmair in a white shirt.

Caltech Mourns the Passing of Carl Grillmair (1959–2026)

Three professors in a collage of images.

Three Professors Named 2026 Sloan Fellows

A wispy red orb with a white mass in the middle.

The Quiet Formation of a Black Hole

Photo of the Large Hadron Collider at CERN

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