This impact unleashed about 130 times the energy ... in diameter, larger than the asteroid that struck Earth 66 million years ago and doomed the dinosaurs. "When the impacting asteroid or comet ...

It may sound apocalyptic, but a newly detected asteroid nearly the size of a football field now has a greater than one percent chance of colliding with Earth in about eight years. Such an impact ...

Odds are a funny thing. 1-in-100, for example, sounds like a long shot—until you find out it’s the chance that an asteroid will impact Earth. In a surprising—but not definitive—turn of ...

2024 YR4 is only the second asteroid whose impact risk has reached greater than a 1% chance. The other is asteroid 99942, better known as “Apophis” — named after the Egyptian god of chaos ...

were dug out in a matter of less than 10 minutes by rocky debris sent violently aloft when an asteroid or comet struck the lunar surface roughly 3.8 billion years ago. This impact unleashed about ...

Asteroid Impact on Moon Blasted Two Grand Canyons in 10 Minutes By Will Dunham WASHINGTON (Reuters) - The Grand Canyon in Arizona is one of Earth's natural wonders, carved out over millions of ...

An undated artistic rendering shows an asteroid or comet striking near the Moon's south pole about 3.8 billion years ago, an impact that carved out two large craters. Photo: Reuters The Grand Canyon ...

Astronomers are making further observations and refining calculations for future orbits of Asteroid 2024 YR4. By Friday, the impact probability edged upward to 1.6 percent. That did not surprise ...