The National Weather Service expects a storm to hit Mount Hamilton on Friday night and bring 2 to 2 1/2 inches of rain to the ...

From astronauts looping around the moon to spacecraft reaching Mercury and asteroids near Earth, 2026 is shaping up to be a ...

Crews at the historic Lick Observatory are racing against the clock after 114 mph winds damaged the historic dome on ...

Winds exceeding 110 mph that tore across the top of Mount Hamilton early Christmas morning blasted a massive steel protective ...

Gamma-ray bursts (GRBs) are among the most powerful explosions in the universe, second only to the Big Bang. The majority of ...

Lick Observatory, once the most powerful telescope in the world, has been temporarily closed by damage from a severe ...

Early on Thursday, Dec. 25, severe winds gusting up to 114 miles per hour tore loose half of the shutter on the 140-year old ...

ALMA in Chile receives 145 low-noise amplifiers for Band 2, enabling detailed studies of cold interstellar gas, planet-forming disks, and organic molecules in nearby galaxies.

Cherenkov Telescope Array Observatory to be world’s largest and provide new insights into high-energy Universe.

Yu-Jing Qin, a postdoctoral researcher at California Institute of Technology (Caltech), led a series of spectroscopic observations using Keck Observatory’s Low Resolution Imaging Spectrometer, ...