Everyone's favorite comet is about to fly away from Earth and continue on its interstellar journey. 3I/ATLAS recently passed by Earth on Friday, Dec. 19, and gave astronomers a fleeting but invaluable ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Who hasn't looked into the sky and wondered if there's life out there, somewhere, looking back at ...

"These objects really could be anywhere in the solar system at any given time." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. One million alien ...

The moon-planet-star trio are among the brightest objects in our solar system, meaning the impending conjunction should be incredibly easy to spot. A conjunction is an astronomical event in which at ...