New images of the 33-million ton interstellar object confirmed it is releasing a nickel alloy commonly used in the aerospace ...

What makes 3I/ATLAS especially intriguing is that the comet might be three billion years older than our entire Solar System.

We're just weeks away from this interstellar visitor reaching its brightest in Earth's night skies. Will we see it?

The interstellar comet 3I/ATLAS may be out of view of Earth, but orbiters on Mars were able to recently get a look at it.

3I/ATLAS is named for its status as one of three interstellar objects ever discovered in our cosmic neighborhood, as well as ...

ESA’s Mars orbiters captured images of the interstellar comet 3I/ATLAS as it passed close to Mars, revealing its bright, hazy ...

The James Webb Space Telescope's main goal is to detect faint light from distant galaxies, but it recently observed one of the brightest objects in the night sky: Mars. The space observatory captured ...

Mars will be visible to stargazers Sunday night as it moves into opposition with Earth. All you have to do is walk outside and look up at the sky. Because Mars is directly opposite the sun, the red ...