An explosion powerful enough to destroy millions of trees should have left behind a giant crater. Instead, when scientists ...

Bennu, Apophis, and thousands of near-Earth objects are under constant surveillance by space agencies around the world.

On June 30, 1908, a giant fireball exploded over the forests of Tunguska in Siberia. The impact leveled hundreds of miles of ...

Halley’s Comet is one of the most famous visitors in our Solar System. It is a massive, peanut shaped object made of ice, dust, and frozen gases, stretching roughly 15 kilometers by 8 kilometers ...

June 30 marks Tunguska, Congo independence, and Soyuz 11, plus events from Hernán Cortés to Tower Bridge, Hitler’s purge, and ...

The Tunguska space object was most likely a fragment of a comet’s icy nucleus, which turned into a cloud of water vapor at the moment of the blast, expl ...

This year’s Asteroid Day has planned events worldwide and online. It acts as a reminder about advances in planetary defense.

Around 7:15 am on June 30 in 1908, during the reign of Tsar Nicholas II, an object from space entered Earth's atmosphere over ...

That asteroid explosion over Tunguska was 1,000 times stronger than the nuclear bombing of Hiroshima.

A small body in the Kuiper Belt, beyond Neptune, has exhibited an atmosphere. The last time astronomers found an atmosphere ...

Two trains have collided in the Bedford area, police have said. Aerial footage of the aftermath shows the two damaged East Midlands Railway (EMR) trains with most carriages on the tracks but at least ...

A witness to the Bedford train crash says he heard “crying, screaming” and said some passengers seemed to have major injuries ...