Chiron went into retrograde (that is, apparent retrograde motion) on July 30, 2025, and will go back to normal on January 2, 2026. But unless you have a telescope or do some long-exposure photography, ...

Asteroid 2025 PM2, about 190 feet in diameter, will pass Earth at a distance of 2.31 million miles on August 27, 2025. While ...

Sixty-six million years ago, an asteroid slammed into the Earth's atmosphere, traveling 45,000 miles per hour. The asteroid ...

The near-Earth asteroid Bennu contains stardust that is older than the solar system and clues about its violent history, ...

Dean sets the record straight on Asteroid 2024 YR4 and chats with Pranvera Hyseni, a PhD student at the University of California Santa Cruz, and the Founder and Director of Astronomy Outreach of ...

Some of the most basic building blocks of the solar system are missing from one of its most dangerous asteroids.

Even though this asteroid won’t strike Earth, there is still a small chance that it could impact the moon. Mostly, though, astronomers are keen to study it to understand what future asteroids ...

Scientists have calculated the odds of a catastrophic asteroid impact compared to other causes of death—to surprising results ...

Asteroid 2024 YR4, which once appeared to be on a collision course with Earth, may hit the moon, which could create some problems for our planet.

Any uncertainty in the calculation of the object’s orbit causes variations in the predicted solution. Instead of one precise orbit, the calculation usually gives scientists a cloud of its possible ...

Three new papers into the samples brought back from the Bennu asteroid were published recently, shedding more light into the ...

NASA’s OSIRIS-REx samples from asteroid Bennu reveal stardust, water-driven chemistry, and clues to life’s origins in the ...