June 30 marks Asteroid Day, a holiday observed annually to reflect on the prospect of a planet-destroying space rock striking Earth and what scientists are doing to mitigate that risk.

Th celebration features family-friendly science programming, guest speakers, interactive exhibits, space-themed activities ...

Asteroid Day will also feature a live broadcast from scientists and astronauts at 10 a.m. EDT (1400 GMT). You can watch it in the window above or here.

International Asteroid Day, observed on June 30, commemorates the 1908 Tunguska event in Siberia, where an asteroid explosion flattened 830 square miles of forest.

June 30– International Asteroid Day. June 30 marks the anniversary of the Tunguska Event, a frankly terrifying asteroid strike that remains the largest asteroid impact event in recorded history.

The second asteroid passing by our planet on Asteroid Day 2024 is much larger and more well-known. Asteroid (415029) 2011 UL21 is estimated to measure 2,310 meters across, making it larger than 99 ...

The international asteroid day is globally observed every year on June 30 to mark the anniversary of the Earth's largest asteroid impact in recorded history – Tunguska impact over Siberia ...

Around 66 million years ago, a massive asteroid stretching 6 miles (10 kilometers) across struck Earth, ending the reign of the dinosaurs. Today, the probability of an asteroid that size wiping ...

Because Asteroid Day falls on a weekend this year, "we could see pretty big crowds between the two sites," he said. At Lowell, research scientist Brian Skiff will discuss the odd quasi-moon of Venus.

Asteroid 2024 MK brushed past Earth on Saturday at 9:45 am ET (13:45 UTC). Although it posed no threat to our planet, the fact that it was discovered just two weeks ago underscores the need to ...