A CITY-KILLER asteroid could be hurtling towards Earth but going completely undetected, a space agency chief warned. Humanity has only just recovered from the near-miss of asteroid YR4, which ...

"Scientifically there's a huge amount we can learn from asteroids," says Alan Fitzsimmons, an astronomer at Queens University Belfast and a member of one of Nasa's sky surveys that searches and tracks ...

Sue Nelson explores how asteroids can inform our understanding of the Earth's past – or threaten our future. Each year, according to Nasa, a chunk of rock the size of a car hurtles through space ...

It came from outer space! In the early morning of June 30, 1908, people in the remote Tunguska region of Siberia beheld an event of Biblical intensity. A speeding stone from the sky exploded miles ...

The fear of huge asteroid impacts shares similarities with the fear of flying. Though the probability of anything happening is very small, the vivid thought of such a catastrophic event occurring ...

Asteroids are the most plentiful object in the solar system by far, numbering in the millions. They also vary considerably in terms of size and composition, but what exactly are they? Where did ...

Martin Connors has received funding from NSERC and the Canada Foundation for Innovation, and the Canadian Space Agency. He is currently a self-funded academic visitor at UCLA. In late 2024 ...