Peter Jenniskens and international scientists for the first time have gathered a detailed understanding of the effects on Earth from a small asteroid impact. The unprecedented data obtained as the ...

The meteor could have produced much more serious problems. Chelyabinsk is an industrial town long held to be one of the world's most polluted areas, and the area around it hosts nuclear and chemical ...

The event, initially unclear in origin, was soon identified as the reentry of a Chinese satellite, XYJ-7. The incident ...