In 1908, a 30-meter-wide (98-foot-wide) asteroid struck the Podkamennaya Tunguska River in a remote Siberian forest of Russia, according to the Planetary Society. The event leveled trees and ...

Tunguska was not such a violent impact. Exploding in the atmosphere over a sparsely populated region of Russia, the asteroid released the same energy as the explosion of 50 million tonnes of TNT.

That's how the meteor in Russia snuck up on the Earth without being noticed in 2013. "The Chelyabinsk meteor … came from the sun side," Denneau says. "So no telescope saw it before it impacted." ...

22, 2032. 2024 YR4 is estimated to be 130-300 feet across. It is roughly the same size as a meteor that exploded over Russia in 2013, injuring about 1,000 people and damaging 3000 buildings.

Scientists referenced two previous asteroid impacts that led to local or regional damage, one in Chelyabinsk, Russia, in 2013 and the Tunguska event in Siberia in 1908. The Tunguska event caused ...

While most NEOs are harmless, larger ones can cause significant damage, such as the 2013 Chelyabinsk meteor explosion over Russia that injured nearly 1,500 people. How would scientists know that ...