Perhaps you’ve already noticed the dazzling red dot dancing in the night sky. That’s Mars, our planetary neighbor. And for the past few weeks it has been growing brighter as it slowly approaches a ...

A stray comet from another star swings past Earth this week in one last hurrah before racing back toward interstellar space. Discovered over the summer, the comet known as 3I/Atlas will pass within ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

Comet Lemmon will make its closest approach to Earth on Tuesday night. The comet can be seen with the naked eye and should be visible between 6:45 p.m. and 7:45 p.m. Clouds and rain could make ...

I/ATLAS is no ordinary comet. With its unusual rhythmic ‘heartbeat’ and surprising acceleration, it is taking us on a journey ...

The interstellar comet will pass safely by Earth, giving astronomers their best chance to study it up close. Interstellar ...

Interstellar comet 3I/ATLAS made its closest approach to Earth on December 19, 2025, revealing chemical secrets from a ...

On December 19, avid skywatchers can catch a glimpse of the mysterious visitor through powerful binoculars or a telescope when it’s around 170 million miles from our home planet ...

Interstellar comet 3I/ATLAS will make its closest approach to Earth this month, whizzing by at 270 million kilometers (168 million miles) away, putting on a show for anyone equipped even with a small ...