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.

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

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 ...

a remote area in Siberia. The Tunguska Event devastated 830 square miles and flattened 80 million trees, representing the largest asteroid crash to occur in modern times. Asteroid Day is held every ...

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 ...

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

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

The designation is already used in other parts of the world to raise awareness for space science and planetary defense.

To mark the 10th anniversary of World Asteroid Day, a global live stream will showcase near-Earth asteroids and highlight ...