Forbes contributors publish independent expert analyses and insights. I cover the history of science and exploration. On June 30, 1908, an asteroid about 65 meters wide collided with Earth’s ...

June 30 is Asteroid Day, a day that marks the anniversary of the Tunguska event in 1908. A nearly 330-foot asteroid exploded over Siberia, Russia, and was 1,000 times more powerful than the Hiroshima ...

On June 30, 1908, an asteroid tore across the sky above a remote part of Siberia before erupting in a cataclysmic explosion. Eyewitnesses in the Tunguska region reported seeing the bright object and ...

Tuesday marks the 10th anniversary of International Asteroid Day. In the decade since the United Nations established the observance, scientists say Earth is better prepared to defend itself from the ...

June 30, 2015, marked the first Asteroid Day, which organizers described as a “global awareness movement where people from around the world come together to learn about asteroids and what we can do to ...

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 impacts, ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. World Asteroid Day 2025 is ...