In A Nutshell A massive star in the Andromeda Galaxy faded by more than 10,000 times over a decade and vanished from view, likely collapsing into a black hole without exploding as a supernova ...
The Sun fired off six X-class flares in the first four days of February 2026, a burst of extreme activity spanning roughly ...
A massive star brightened in infrared light, then vanished without exploding. Astronomers uncovered the quiet birth of a ...
Mysterious Iron Bar Found in Space Could Hint at How Earth’s Future Might Change Forever ...
The James Webb Space Telescope and the Chandra X-ray Observatory have captured the clearest image yet of a galaxy cluster in the making, seen when the universe was only one billion years old.
The next annular solar eclipse will occur on Feb. 6, 2027, when a "ring of fire" will be visible for up to 7 minutes, 51 ...
Here's how travelers can be ready if a once-in-a-lifetime nova finally flares.