Comet Tsuchinshan-ATLAS will sweep around the sun on Sept. 27 to make a brief foray into the morning sky. Will it be a bright ...

The comet has since drawn attention due to its potential to become highly visible to the naked eye. On 9-10 October, Comet ...

Elon Musk has issued a warning for the public after a giant asteroid made a close approach to our planet. Reacting to ...

A3 has been dubbed a potential “comet of the century” because it’s expected to grow a beautiful cometary tail that is visible ...

Throughout Earth's history, the planet's surface has been regularly impacted by comets, meteors, and the occasional large ...

An asteroid impacted Earth earlier today, just a mere few hours after being discovered by astronomers. Thankfully, it didn't ...

New evidence supports the hypothesis that a fragmented comet triggered a dramatic climate change 12,800 years ago, with ...

The big attractions of our column today are a small eclipse of an especially big harvest moon Tuesday night and the arrival ...

Termed the Cretaceous-Paleogene (also called the K-T and K-P) boundary, the post-impact Earth changed. As the asteroid or comet struck Earth, it vaporized some of the planet’s bedrock ...

September will see the appearance of C/2023 A3, also known as Tsuchinshan–ATLAS, that has traveled for tens of thousands of ...

It's a long-period comet that was discovered in January 2023 by astronomers at South Africa’s Asteroid Terrestrial-impact Last Alert ... it will be closest to Earth at about 44 million miles ...

The scientific debate about whether a comet or an asteroid hit ... for further work on identifying impacts and the composition of impactors on Earth. Back to top ...