New simulations reveal that the climate, atmospheric chemistry and even global photosynthesis would be dramatically disrupted ...

It was given the highest ever risk level, but there's some good news.

the larger asteroid, 887 Alinda, is over 4 kilometers in diameter and could cause a global extinction event. Alinda remains ...

In December 2024, astronomers in Chile spotted a new asteroid streaking through the sky, which they named 2024 YR4. What’s significant about this 100m-wide space rock is that it has a small chance of ...

TN17, a gigantic space rock the size of the Taj Mahal, is speeding towards Earth at 77,282 km/h. It is rated as possibly ...

Recently, NASA was tracking a large asteroid flying past Earth known as the so-called "city killer." "This one got a lot of attention because it rose to a threat level that we just have not seen ...

A NewsNation exclusive reveals NASA’s high-tech plan to save Earth if an asteroid ever comes barreling ... Those that are smaller than about 500 feet in diameter are nearly impossible to see ...

That one was estimated to be about 6.2 miles (10 kilometers) in diameter and marked the last known large asteroid to hit our world. Planet killer asteroids are space rocks that are 1 kilometer ...

But HERA will not reach the asteroid — which is 11 million kilometers from Earth in the asteroid belt between Mars and Jupiter — until late 2026. On the long voyage there, the spacecraft swung ...