This astronomical observatory was the brainchild of the solar astronomer George Ellery Hale. He was a professor at the University of Chicago who was famous for discovering magnetic fields in sunspots.

which the team dubbed a Hale cycle terminator (a Hale cycle is two solar cycles, over which the magnetic poles flip and then flip again to their previous position). This terminator event tends to ...

The historic 200-inch Hale Telescope at Caltech’s Palomar Observatory in San Diego ... This capability is essential for future space missions beyond our immediate solar system. The Deep Space Optical ...

The spacecraft themselves continued to operate normally in Earth orbit during the outage and "no science data has been lost." ...

"As of June 2024, China led the world in operating solar farm capacity with 386,875 megawatts, representing about 51 percent ...

A new analysis of the 6,000-year-old stone circle known as Rujm el-Hiri (also Gilgal Refaim) in Golan Heights suggests that ...

The telescope will catalogue billions of new objects and produce a new map of the entire night sky every three days with the ...

There were significantly more X-class solar flares in 2024 than any other year for at least three decades. The arrival of ...

The sun is bidding farewell to 2024 with a bang—or rather several bangs. Our star produced three powerful flares on December ...

The company has been working with an observatory and the US National Science Foundation to study the effects of lowering its ...

"Our Hale Kuawehi solar and battery storage project is nearing completion. With the construction phase now fully completed, we are focused on advancing the project toward full commissioning." ...