The head of planetary defense at the European Space Agency discusses 2024 YR4, an asteroid with a small chance of striking ...
NASA has issued a huge update on the “city-killer” asteroid hurtling in Earth’s direction – and the odds of a collision have ...
So while the threat means real albeit small, the natural question is what does this mean for us back on Earth, given ...
Asteroid 2024 YR4, detected by telescopes on ... the Gemini South Observatory in the Chilean Andes, Arizona’s Lowell Discovery Telescope and the Nordic Optical Telescope in the Canary Islands.
Another example not recorded in human history was an object believed to have been about 50 meters in diameter, a massive chunk of iron that formed the Barringer meteor crater in Arizona.