The curious minds at What If explore what would happen if a nearby supernova exploded close to Earth, revealing radiation exposure, atmospheric disruption, and mass extinctions. Enormous freshwater ...

If a star were to explode near Earth, the effects could be catastrophic. The intense radiation, shockwaves, and cosmic debris from a supernova would pose a grave threat to life, disrupting the ...

Astronomers used Webb to find the star behind supernova 2025pht, revealing how thick dust can hide massive red supergiants.

So, you have somehow exploded the planet with enough force to scatter the debris into a second asteroid belt. The volatiles like water will have all dispersed. As any terrestrial fossils are largely ...

Much depends upon the variables. What kind of explosion? What is meant by “evidence of life”? What or who is attempting to interpret any surviving evidence? Life has colonised all the niches on the ...