Discover how probing the components of the half-asteroid, half-comet hybrids reveals that carbon dioxide was present during the solar system's formation.

It’s a bird! It’s a plane! No, it’s an asteroid-comet hybrid called a ‘centaur’ that might not even be that. Asteroids are metallic rocks that form close to the sun, while comets are ...

An asteroid gaining notoriety for its potential to collide with Earth in 2032 was estimated Tuesday to have roughly a 3% chance of striking our planet — the highest probability ever assigned ...

Chodas speculates that asteroid 2020 SO, as it is formally known, is actually the Centaur upper rocket stage that successfully propelled NASA’s Surveyor 2 lander to the moon in 1966 before it ...

If you've been losing sleep at night over a certain threatening asteroid dominating the news cycle, it's time to catch up on your rest. The odds that asteroid 2024 YR4 will crash into Earth in ...

Update: The odds of asteroid 2024 YR4 striking Earth in 2032 have fallen to 1.5%, NASA announced Wednesday. Read the latest. The risk that an increasingly ominous asteroid dubbed 2024 YR4 will ...

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 ...

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 potential ...