A large asteroid does not need to hit Earth to expose a hard truth: the most dangerous space rocks may be the ones spotted ...

The country's plans include spacecraft designed to detect asteroids coming from the direction of the sun, which has long been ...

Scientists in China say a nuclear explosion could be the most effective way to stop a large asteroid—and they may have ...

When we think of planet killer asteroids, survival odds might seem slim. But we aren't defenseless.

Bennu is a relatively small asteroid that passes close to Earth about every six years. (Image: NASA) Researchers have pinpointed the potential impact date for a massive asteroid, and its impact would ...

The rock is hurtling through our cosmic neighborhood at a zippy 8,768 miles per hour, according to the space agency.

Five asteroids, including one the size of a house, will approach Earth within the next two days. On Wednesday, March 25, the asteroids, the size of a car, an airplane, and two more the size of buses, ...

Our solar system is a celestial shooting gallery, chock-full of flying projectiles that one day could threaten Earth—so what can we do about it?

NASA's DART mission, which tested a planetary defense strategy, successfully changed the orbit of the asteroid Dimorphos in 2022. The mission also unexpectedly altered the orbit of Dimorphos's larger ...

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Scientists have pushed Earth’s oldest known impact crater back to about 3 billion years, and in doing so, they have re-sharpened the debate over how meteorite strikes shaped the planet’s early history ...