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The simulation described an asteroid headed towards Denver, Colorado.

A ‘city-killer’ asteroid got scarily close to Earth yesterday, and astronomers didn’t know about it until it was just days away

A 427-foot-wide asteroid passed within 45,000 miles of Earth yesterday. Scientists weren't able to see it coming until it was just days away.

A Japanese spacecraft has landed on an asteroid after blasting it with a bullet. The mission will bring back rock samples to Earth.

Asteroid Ryugu could hold clues to the history of our solar system, so Japan's Hayabusa-2 probe is designed to bring samples of it back to Earth.

A 1,100-foot-wide asteroid is on course to pass by Earth in a decade

It is rare for an asteroid of this size to pass Earth so closely, according to NASA.
NASA Administrator Jim Bridenstine at the Planetary Defense Conference in Washington, DC, on April 29, 2019.

NASA chief warns that people need to take the threat of a meteor crashing into Earth much more seriously

Jim Bridenstine, NASA's administrator, said the threat of a meteor crashing into Earth is bigger than we might think.
JAXA's mission control during Friday's mission.

Japan dropped a bomb on an asteroid in the name of science, as it tries to learn more about the history of the solar system

Japan's JAXA space agency offloaded the bomb on Ryugu asteroid on Friday. The agency's mission could help determine the origins of the solar system.

An asteroid the size of the Statue of Liberty is set to narrowly miss Earth tonight

An asteroid the size of the Statue of Liberty is set to narrowly miss Earth on Tuesday evening. Luckily, it won't actually smack into our planet or cause any damage. The asteroid, dubbed 2010 WC9, will come closer to our planet than any asteroid of its size has in hundreds of years.
An illustration of comets and asteroids striking planet Earth.

The asteroid that killed the dinosaurs triggered a natural disaster that scientists hadn’t realized, according to new clues from the ocean floor...

When the Chicxulub asteroid hit Earth, it filled the skies with soot and smoke, caused volcanoes to explode, and even triggered underwater eruptions.

The asteroid that wiped out the dinosaurs might not have killed them all if it had hit somewhere else

The Chicxulub asteroid was so devastating because of where it hit, a study found. If it had landed elsewhere on the planet, dinosaurs might have survived.

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

They are targeting an asteroid in order to change its course.

NASA successfully launches a nearly $1 billion mission to an asteroid millions of miles away

The OSIRIS-REx space probe should reach the asteroid Bennu in 2018, and return a sample back to Earth in 2023.