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 ...

When asking why objects like the Chelyabinsk Meteor or the meteor in the Tunguska Event explode, we should remember that when either a comet or asteroid hit the Earth’s atmosphere, its moving ...

Meteorites are primarily stony chondrites, but also include iron-rich achondrites and pallasites. Studying meteors provides ...

Asteroids’ orbits around the sun may put them in collision paths with inner planets. We may have had a near-miss, but ...

Surveyor, a $1.4-billion infrared telescope designed to detect asteroids and comets that could pose a threat to Earth.

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

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

A massive 540-foot asteroid 2014 TN17, which is twice the size of the Taj Mahal, is heading in the direction of Earth at ...

The NEO Surveyor fulfills a 2005 act of Congress ordering NASA to catalog 90% of near-Earth objects larger than 459 feet, ...

"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 ...