The object, known as 3I/ATLAS, has been labelled by some commentators as a “potentially hostile alien threat”, a description ...

A team of astronomers monitoring interstellar object 3I/ATLAS have found something a little surprising. Our third confirmed interstellar visitor appears to have changed color for the second time.

Astronomers tracking the interstellar comet known as 3I/ATLAS report that the object has brightened markedly and developed a faint green glow as it approaches its closest pass by Earth, sharpening ...

One of my favorite things about science is how a very simple question can lead you down a rabbit hole. Here’s one for you: What color is the sun? Most people, I’d wager, would say yellow. You probably ...

Gazing up at the moon, you can often be bewitched by its ever-changing shades of a silvery glow. The phenomenon of the moon appearing in different colors has intrigued sky gazers for centuries, ...