Some seriously large asteroids have threatened Earth before. Some of these asteroids have little chance of hitting us but ...

Enjoy your first month for free at the Great Courses Plus: <a href=" to our extended version of this episode on any ...

From nuclear strikes to giant spikes, discover the systems in place to prevent a collision and test your decision-making to see if you could avoid a catastrophic impact ...

Four large asteroids will make their closest approaches to Earth on Thursday ... But the remaining celestial objects on track to follow suit were set to make their appearances — albeit not ...

Earth’s newly captured mini-moon 2024 PT5 will depart in November, highlighting the fascination with transient asteroids.

This new “mini-moon” is a wayward asteroid ... The two missions are focused on tracking asteroids and preventing their collision with Earth. Asteroids were formed at the birth of the solar system.

Four large asteroids ... Earth on Thursday, each passing by the planet within a 24-hour time frame. Two had already zipped past early in the morning, according to NASA's Jet Propulsion Laboratory. But ...

Four "potentially hazardous" space rocks, which are between 100 and 580 feet across, will all make their closest approaches to Earth within less than 12 hours of one another on Thursday (Oct. 24).

Among other factors, these movies also arguably helped convince some members of Congress to tell NASA that they were legally required to find 90 percent of all the near-Earth asteroids and comets ...

Four large asteroids will make their closest approaches to Earth on Thursday ... But the remaining celestial objects on track to follow suit were set to make their appearances — albeit not ...

A quartet of particularly hefty asteroids, including two that were discovered earlier this month and another that is as tall as a skyscraper, will make their closest approaches to Earth on Thursday ...