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 ...

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

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

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

Interstellar comet 3I/ATLAS made its closest pass of Mars on Oct. 3, and Europe’s Red Planet spacecraft were ready for it.

NASA's Perseverance Mars rover may have captured an image of interstellar comet 3I/ATLAS streaking across the sky above the ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to [email protected]. Is Mars really as red as people say it is? – ...

NASA says its Perseverance rover on Mars has transmitted new imagery that forms one of the sharpest panoramas of the Martian surface to date, offering scientists valuable insight into the Red Planet’s ...

Just how big would a telescope need to be to actually see an alien world in detail? The James Webb Telescope just took a photo of a newly discovered exoplanet. Exciting stuff but the raw image just ...

An interstellar visitor is zipping through the Milky Way, and a team of Michigan State University researchers is keeping ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Curious Kids is a series for children of all ages. If you have a question you’d like ...