NASA’s PUNCH Mission Set To Unlock the Sun’s Hidden Secrets
Four compact satellites of NASA's PUNCH mission are prepping for a shared launch with the SPHEREx space telescope on a SpaceX ...
Invisible 'flickering' on the sun could predict potentially dangerous solar flares hours in advance
Images captured by NASA's Solar Dynamics Observatory have revealed that "coronal loops" give off subtle flashes of ...
In Photos: The Total Solar Eclipse That Stunned America 100 Years Ago Today
At its maximum in the Atlantic Ocean, totality during the eclipse on Jan 24, 1925 lasted 2 minutes 32 seconds—and far less on ...
Russian astronomers observe rare black plasma eruption on the Sun
The event, described by scientists as "very rare, beautiful, and even a bit strange," involved a cold prominence rich in ...
Mysterious Pulsing X-Rays From a Nearby Black Hole Baffle Astronomers
MIT astronomers have been captivated by the strange behaviors of a supermassive black located 270 million light-years away, ...
IEEE Spectrum on MSN4d
A Spy Satellite You’ve Never Heard of Helped Win the Cold War
In the early 1970s, the Cold War had reached a particularly frigid moment, and U.S. military and intelligence officials had a problem. The Soviet Navy was becoming a global maritime threat—and the ...