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

If you're lucky enough to have clear skies tonight, you can catch a "mini planet parade" as Mars and Jupiter appear alongside a half-lit moon in the southwestern sky. To see them, look high in the sky ...

Mysterious interstellar object 3I/ATLAS is hurtling through the solar system. As it continues its journey, it offers an ...

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.

Observing 3I/ATLAS in this active phase will give some of the clearest insights yet into the mystery of interstellar comets.

Need a refresher about 3I/ATLAS? Here's everything to know about the interstellar object, including when the latest ...

From lunar water hunts to Mars sample returns, China's space program is embarking on groundbreaking missions across the solar system, aiming for the moon, Mars and beyond.

A European Mars probe witnessed the interstellar comet 3I/ATLAS' Red Planet flyby on Oct. 3, snapping imagery of the ...

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

WASHINGTON (7News) — Prepare for a rare astronomical treat this Friday, Feb. 28, 2025, when a remarkable planetary alignment, often referred to as a "planetary parade," will grace the evening sky ...

Lying between Mars and Jupiter is a massive ring of rock debris—the asteroid belt. Now thin, it’s fading away gradually.