The stadium-sized asteroid 2020 XR is due to make its closest approach to Earth on record early on Dec. 4, and the encounter ...

Astronomers have spotted a 70-centimetre asteroid that is set to hit the atmosphere above northern Siberia at 4.15 pm GMT, ...

Could tiny primordial black holes, formed in the earliest moments of our universe, be lurking inside asteroids or even ...

The asteroids, named 447755 (2007 JX2) and (2020 XR), are each estimated to be roughly between 900 feet and 2,100 feet across ...

Popular media love talking about asteroid mining using big numbers. Many articles talk about a mission to Psyche, the largest ...

Efforts to shield Earth from asteroid impacts have advanced, but significant gaps remain in planetary defence systems. Robin ...

Every year, over 3,000 near-Earth asteroids (NEAs) are found by NASA's survey telescopes. With the use of more powerful and ...

Incredibly dense for its size at almost 40 pounds, finder Dave Hole of Australia was convinced it must have contained a ...

WB—is estimated to be between 240 and 525 feet across and will pass us at about twice the distance between the Earth and moon ...

In How to Kill an Asteroid, Robin George Andrews looks at the successes and shortcomings of planetary defense.

This breakthrough is especially timely, as NASA’s Catalina Sky Survey identifies around 2,000 near-Earth asteroids annually.

Asteroids, comets, and meteors are all small solar system objects, but they differ in composition and behaviour.