Astronomers believe thousands of large undiscovered asteroids, that could cause regional damage, may be in space.

YR4 became the highest-rated asteroid predicted to strike Earth, and although predictions for impact have lowered, not enough ...

The asteroid, 2024 YR4, was detected by UH’s Asteroid Terrestrial-impact Last Alert System (ATLAS) and given a 3% probability of colliding with Earth. It’s approximately the size of a jumbo jet and ...

Could a giant planet between Mars and Jupiter have doomed Earth? A new study suggests that small changes would have been ...

Once the new measurements were taken and the math was done, the probability of YR4 hitting the Earth began to decline, ...

The Earth exists in a cosmic shooting gallery ... at the time that we had no way to reliably identify potentially dangerous asteroids very far in advance, and no real way to deflect them.

but just another out of the 35,000 “near-Earth asteroids” out there that could become dangerous, said Sherry Fieber-Beyer, the director of the University of North Dakota's Observatory ...

FOR a brief window, Asteroid 2024 YR4 looked like a planetary hazard in the making. At up to 90m in diameter, it was ...