Twenty-four years ago, a spacecraft with no landing mechanism touched down on a chunk of rock in space. Defying all odds, the Nasa spacecraft became the first in history to not just orbit a minor ...

An asteroid has a small chance of hitting Earth less than eight years from now, and astronomers are enlisting the help of NASA's James Webb Space Telescope to study it. Characterized as a ...

Asteroid 2024 YR4 has been a source of consternation because it carries an uncommonly high risk of colliding into Earth. It's the most hazardous space rock detected since astronomers first ...