For longer than science fiction has even existed, humans have been fascinated with (and terrified by) the prospect of space rocks falling to Earth. But why?
Asteroids are space rocks thought to be the remains left over from the formation of the solar system. They range in size from tiny (the size of a car or so) to truly giant, with at least one - Ceres - gaining dwarf planet status. In our solar system, billions of asteroids are in the asteroid belt, a region around the sun between the orbits of Mars and Jupiter. Others stray from this region, and can potentially post an impact threat to the Earth. At least one interstellar asteroid, called 'Oumuamua, has passed through our solar system. Learn more about asteroids here.
Someday, tucked away gathering dust in a nondescript warehouse, there will perhaps be a spacecraft waiting to be called to the launch pad, even as its builders pray it never flies.
Mysterious near-Earth object Kamo'oalewa is the first known space rock made of what looks like lunar material, a new study reveals. It may have split off the moon in an ancient asteroid collision.
NASA may be homing in on the glitch that kept a massive solar array on its new asteroid-bound spacecraft from properly deploying.
NASA is getting ready to launch a spacecraft to test an experimental method to deflect near-Earth objects, and you can participate in the mission by testing your own planetary defense know-how.
NASA has lofted countless spacecraft into the solar system, but a mission launching in late November will attempt a unique feat: to slam into a tiny asteroid and slightly speed up its orbit.
Asteroid 2021 UA1, a space rock about the size of a refrigerator, made a surprise appearance when it recently flew past Earth.
Reference NASA's DART (Double Asteroid Redirection Test) mission is the first-ever space mission designed to test planetary defense technologies in asteroid deflection.
NASA has a plan that includes telescope partnerships and a brand-new spacecraft mission launching this year.
Lucy's handlers have been working hard to diagnose and fix the problem, but it remains unsolved at present.
NASA is less than one month away from launching humanity's first-ever asteroid-deflecting mission, known as DART, short for "Double Asteroid Redirection Test."
The asteroid that crashed into Earth 66 million years ago unleashed a catastrophic series of events.
Physicists propose a new plan to "slice and dice" incoming asteroids that could save Earth from a deadly calamity.
Days after NASA's new mission to a mysterious group of asteroids launched, spacecraft personnel continue battling an issue with one of the vehicle's two massive solar arrays.
NASA's newly launched mission bound for the Trojan asteroids has to address a small issue with its solar panels.
A few decades from now, humanity could get an up-close look at a comet blazing to life for the first time.
NASA's newest asteroid probe, named Lucy, successfully launched on 12-year mission to visit 8 asteroids early Saturday (Oct. 16).
NASA's newest planetary science mission, an asteroid-observing probe named Lucy that will fly by a record eight different asteroids, is ready to launch and you can watch the action live online.
The launch window for NASA's Lucy mission launch window opens on Saturday (Oct. 16). Here are some Lucy-inspired craft activities to keep you occupied until then.