An enormous explosion occurred approximately 3 to 6 miles (3.8 to 9.7 kilometers) above the Tunguska River area of Siberia on June 30, 1908, when an asteroid entered Earth’s atmosphere and ...

Alert Top Story From Tunguska to tomorrow: Asteroid Day educates northern Arizona on impact events CALLIOPE J LUEDEKER Sun Staff Reporter Jun 29, 2025 1 of 2 ...

Representative image. The world celebrates June 30 as World Asteroid Day to commemorate the Tunguska event, a massive asteroid explosion that occurred over Russia's Siberia on the same day in 1908.

On that date in 1908, the “ Tunguska Event,” a stony (not icy) body between 164 and 262 feet in diameter, entered the atmosphere at around 33,500 miles per hour.

The Tunguska event was a massive explosion over the Siberian region of Russia on July 30, 1908, estimated to have flattened nearly a half-million acres. Tuesday ...

One hundred and seventeen years ago, on June 30, 1908, the world changed. For the people of Eastern Russia, near the Tunguska River, the world came close to ending. Something fell from the sky ...

On July 2, 1967, the U.S.’s Vela 3 and 4 satellites, originally launched to monitor compliance with the Nuclear Test Ban Treaty by detecting weapons tests, accidentally detected fast and ...

The day marks the anniversary of a large meteor impact in Siberia on June 30, 1908. This is known as the Tunguska event. As the meteor entered the atmosphere, it exploded several miles above the ...

Celebrate World Asteroid Day 2025 on June 30 by watching a free live stream of near-Earth asteroids courtesy of the Virtual Telescope Project.

On World Asteroid Day 2025, June 30, space enthusiasts and science lovers around the world can look forward to a special treat. On the 10th anniversary of the observation, a United Nations event ...

The Tunguska event flattened 2,000 square kilometres of forest. Its force matched nearly 185 Hiroshima bombs, leaving behind a lasting scar on Earth’s history. A Day to Raise Awareness ...