A mysterious aspect of the Tunguska event was that, surprisingly, no one ever found a crater. But, even without a crater, scientists still categorized it as an impact event. They now believ… See more

Why did it take so long – the better part of the 20th century – for scientists to understand what caused … See more

In fact, the Tunguska event basically did happen again, just on a smaller scale, with the Chelyabinsk meteor, 105 years later. On February 15, 2013, a similar, although smaller, air… See more

In 2019, scientists published new research about the Tunguska event in a series of papers in a special issue of the journal Icarus. A workshop held at NASA’s Ames Research … See more