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A SpaceX Falcon Heavy rocket with NASA's Nancy Grace Roman Telescope lifts off; it is pictured in front of the rising sun.
August 30, 2026
Ready to Roman: Caltech Teams Celebrate Telescope Launch, Look Ahead to Future
Photo from LIGO India groundbreaking event
April 23, 2026
LIGO-India Breaks Ground on New Observatory
A wispy red orb with a white mass in the middle.
February 12, 2026
The Quiet Formation of a Black Hole
A red kilonova blast is seen within a blue cloud of supernova debris.
December 16, 2025
Possible "Superkilonova" Exploded Not Once But Twice
Mansi Kasliwal in a red shirt next to Dimitri Mawet in a plaid shirt.
December 10, 2025
New Palomar Director and Director of Instrumentation Roles Announced
A black hole surrounded by debris is depicted garbling a star that has been shredded and appears as bright light swirling into the black hole.
November 4, 2025
Black Hole Flare is Biggest and Most Distant Seen
The Next Generation Palomar Spectrograph (NGPS)
January 7, 2025
Palomar Observatory Produces New and Improved "Rainbows" for Astronomers
The 48-inch Samuel Oschin Telescope
December 4, 2024
Zwicky Transient Facility Leads to Classification of 10,000 Supernovae
Tom Hutchcroft writes on a chalkboard wall
October 15, 2024
Math Professor Tom Hutchcroft Receives Packard Fellowship
Map projection showing night sky with dots for supernova detections.
May 15, 2024
High School Student Creates Soundscape of Exploding Stars
Picture of the spiral galaxy NGC 1097.
February 13, 2024
New Caltech-led Mission Will Study Ultraviolet Sky, Stars, Stellar Explosions
Picture of Hale Telescope dome
January 26, 2024
75 Years Later, Palomar Observatory Still Shaping Astronomy