On June 30, 1908, a giant fireball exploded over the forests of Tunguska in Siberia. The impact leveled hundreds of miles of ...

World Asteroid Day 2025 is upon us! Here's how you can celebrate the event by livestreaming real-time views of near-Earth ...

Today in the history of astronomy, an asteroid flattens 830 square miles of Siberian forest.

On June 30, 1908, a catastrophic explosion rocked the skies over Eastern Siberia, releasing an energy equivalent to 10–15 megatons of TNT. Known as the Tunguska event, this mysterious occurrence ...

Asteroid Day reminds us of space rocks' power. Some asteroids hit Earth hard. One exploded over Chelyabinsk in 2013, injuring ...

The mysterious blast site of the Tunguska Event of 1908 is revealed in satellite images obtained by NASA’s Operational Land ...

The United Nations formally adopted Asteroid Day in 2016. The decision followed a proposal from the Association of Space ...

The United Nations General Assembly adopted a resolution in December 2016, declaring June 30 International Asteroid Day.

Astronomers estimate that an asteroid this large comes this close to Earth only about once every 7,500 years. It also appears ...

The Tunguska asteroid event in Siberia, Russian Federation, on 30 June 1908, was the Earth's largest asteroid impact in recorded history.

Meteor Crater and Lowell Observatory invite the public to observe the unique benchmark with a day of educational activities.

June 30 is Asteroid Day, which honors the Tunguska event in Russia 117 years ago and teaches about asteroids and their ...