Numerical simulations already offer valuable insights. Apophis. Discovered in June 2004, the asteroid is approximately 350 meters in diameter and about 27 million tons. For a few weeks ...

The last time was about 20 years ago, with the asteroid Apophis in 2004, which reached a couple of percent for a brief period in time before the uncertainty region could be constrained.

Astronomers said the threat posed by Asteroid 2024 YR4 now exceeds the threat posed by the widely known 2004 Apophis asteroid. YR4 still has a 97% chance of missing Earth, but the 3.1% chance it will ...

If you've been losing sleep at night over a certain threatening asteroid dominating the news ... even prompted no shortage of comparisons to Apophis, its much larger cousin that gave humanity ...

Astronomers said the threat posed by Asteroid 2024 YR4 now exceeds the threat posed by the widely known 2004 Apophis asteroid. YR4 still has a 97% chance of missing Earth, but the 3.1% chance it ...