Shortly after theinterstellar object 3I/ATLAS made its closest pass by Mars, China stopped publicly tracking it, despite ...

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.

Perihelion for 3I/ATLAS takes place on Oct. 30, when the interstellar interloper will be 1.35 astronomical units (125 million ...

The 3I/ATLAS comet was first spotted in July near Jupiter after it entered our solar system from another universe. Here’s ...

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 ...

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

Manhattan-sized comet 3I/ATLAS — which scientists suspect could have extraterrestrial origins — will reach its closest ...

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 ...

Mars has two moons, but they're not quite like Earth's moon. That's raised a lot of questions about where they're from, ...