The Eaton Fire burning through the hillsides and mountains above Pasadena is now approaching the Mount Wilson Observatory, ...

The key NASA center remains under a mandatory evacuation order, but officials say both it and Mount Wilson are protected for ...

Fire threatens Mt. Wilson broadcast transmitters as L.A. TV, radio stations remain on alert; Observatory evacuated ...

The wildfires that have been rampaging southern California this week reached the top of Mt. Wilson on Thursday, the broadcast ...

Flames from the Eaton fire came perilously close to the Mt. Wilson and local stations, including KABC and radio KLOS-FM, ...

Towers for all the major TV stations are located on the mountain, as are transmitters for many FM radio stations.

The summit’s wind chill reached 49 degrees below zero this week with over 100 mile-per-hour winds. The post Boston’s wind ...

On the Pic du Midi in the Pyrenees, ETH Zurich researchers have analysed particulate matter, clouds and rainwater for traces ...

If the signal goes down, it could impact anyone from semi-truck drivers and ambulances using radios to broadcast stations and ...

The Boulder Creek CZO includes the Green Lakes Valley as one of their main study sites (pictured above), which is shaped by glaciation and other erosional processes. Additional information can be ...

“Mountain weather is subject to rapid changes and extreme cold, so never dress like the observers in these photos when on the summit in the winter,” the observatory warned. Weather observers ...

C/2023 A3 is a comet from the Oort cloud discovered by the Purple Mountain Observatory in China on January 9, 2023, and independently found by ATLAS South Africa on February 22, 2023.“ ...