In 1908, a blast flattened 80 million trees in Siberia. No crater. No meteor. But halfway across the world, Nikola Tesla had ...

This possibility also raises concerns about Earth’s safety. Although it is unlikely that the ejected debris would reach our planet—considering the Moon’s gravity and the vast distances involved—any ...

The Tunguska Nature Reserve, some 80 km from the village of Vanavara, was established around the famous meteorite fall site only in 1995, when the phenomenon turned almost 90 years. The procedure of ...

There are things about rock music that we just accept, no questions asked. But maybe we should be asking them. This is ...

In recent years, the magnetic North Pole has shifted from Canada to Siberia. A team of British researchers believes they have ...

P. Jenniskens, SETI Institute and NASA Ames Research Center; and M. Breukers and C. Johannink, Cameras for Allsky Meteor Surveillance (CAMS), BeNeLux, report that the chi Cygnids meteor shower (IAU ...

The month is packed with skywatching highlights—including two galaxies visible to the naked eye and a rare glimpse of the innermost planet. A cormorant crosses the face of the full moon in ...