When we think about asteroids that could threaten Earth, we often imagine massive, city-sized rocks hurtling through space. But what if the real danger comes from much smaller, barely detectable ones?

Explore the most significant asteroids that have impacted Earth throughout history. This video delves into notable events, detailing the size, composition, and effects of these colossal space objects.

(via minutephysics) This video is about the interesting and often-misunderstood story of the asteroids, and how they lost their planet-hood status; more recently than you may think!

More space technology must be developed to prevent "city-killing asteroids" from hitting Earth, experts recommended at a recent science conference. While the risk is low, mid-size asteroids near Earth ...

Scientists are digging into the hidden makeup of carbon-rich asteroids to see whether they could one day fuel space exploration—or even be mined for valuable resources. By analyzing rare meteorites ...

Space can be a dangerous place, with massive rocks hurling through the solar system at fast speeds, some of which may be headed in our direction. NASA and other agencies keep a close watch on the ...