Tagged With Asteroids

A 5-billion-ton chunk of iron once slammed into Greenland, leaving a crater big enough to hide Paris in


The biggest meteorites in history that have plummeted to Earth and survived


A weird, cigar-shaped object flew through the solar system last year. Now astronomers may know where it came from



NASA's only mission to the asteroid belt is dying after 11 years in space — but it might tee up a future discovery of alien life


A spectacular meteor shower is coming this weekend — here's what you're actually seeing


How large asteroids must be to destroy a city, state, country, or the planet



Alexandria Ocasio-Cortez, the 28-year-old who defeated a powerful House Democrat, has an asteroid named after her — here's why


Over a million space rocks could strike Earth with more energy than a nuclear bomb, and we don't know where most of them are


NASA has released its plan for nuking asteroids that threaten Earth -- and it includes a practice run


NASA is on a 'daring adventure' to get the closest-ever photos of Ceres -- a dwarf planet between Mars and Jupiter


A 'potentially hazardous' asteroid bigger than Earth's tallest skyscraper is about to fly near our planet


Astronomers are listening for alien signals from a weird object that's flying through the solar system



Astronomers have discovered a bizarre-looking object that came from outside our solar system


The asteroid that killed the dinosaurs triggered a global disaster far worse than scientists previously thought


Astronomers may have seen the first 'alien' space rock from beyond our solar system -- but some have doubts


NASA has a plan to save Earth from deadly asteroids -- and they're getting ready to test it out



NASA's 5-step plan for when it discovers a giant, killer asteroid headed straight for Earth


These size comparisons show the true scale of enormous things


NASA just filmed a 'potentially hazardous' asteroid flying near Earth, and it may be 2 times bigger than thought


This concept skyscraper could hang from an asteroid 31,068 miles above Earth