Roughly 252 million years ago, Earth experienced its deadliest known extinction. Known as the Permian–Triassic Mass Extinction, or “The Great Dying,” this cataclysm wiped out over 80% of marine ...
The comet originated from outside our solar system and poses no danger to our planet. NASA officials have rejected theories that the object could be an alien spaceship. While not visible to the naked ...
NASA is monitoring three asteroids in the vicinity of the Earth that are zipping through space at around 16,000 to 41,000 miles per hour. A bus-sized asteroid known as "2025 KH," measuring around 37 ...
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