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

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

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

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

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

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

World Asteroid Day is observed every year on June 30 to raise awareness about asteroids and the potential hazards they pose ...

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

June 30, 2015, was the first “Asteroid Day,” when “people from around the world come together to learn about asteroids” and what can be done to protect the planet from asteroid and comet ...

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.

115 years ago, an asteroid flattened a remote area of Siberia. Get the Popular Science daily newsletter💡 Breakthroughs, discoveries, and DIY tips sent every weekday. Search for: ...