"This has been a decade-long detective story, with each recorded meteorite fall providing a new clue," said one astronomer.

They flattened forests, left massive craters and even killed the dinosaurs. Learn all about Earth’s hugest asteroid strikes.

A BIG asteroid, roughly the size of an aeroplane, is hurtling towards Earth. NASA is tracking its trajectory closely., ...

There are many home-grown problems on Earth, but there’s still time to worry about bad things arriving from above. The most ...