The widely anticipated first images collected by the Vera C. Rubin Observatory have been released, offering nothing short of ...

Interstellar visitor Comet 3I/ATLAS was discovered just a week ago and ever since, astronomers across the world have been ...

Is the solar system an interstellar highway, with cosmic objects speeding past at warp speeds without human notice? That’s ...

Astronomers have confirmed the discovery of a rare celestial visitor from beyond our Solar System. The comet was first spotted on 1 July 2025 by the Asteroid Terrestrial-impact Last Alert System ...

I/ATLAS, also known as C/2025 N1 (ATLAS), originated in a distant star system, far beyond the boundaries of our solar system.

ʻOumuamua is a small object, likely shaped in the manner of a cigar, and is perhaps up to 1 km (3,000 feet) long. It has a reddish hue, similar to objects in the outer Solar System.

It wasn't for another three years, however, that the U.S. Space Command announced in a letter in to NASA in March 2022 that the object came from another solar system.

All the planets and quite a few other worlds in the Solar System have an atmosphere of some sort. Whether thick and blanketing like Venus or Jupiter, life-supporting like Earth’s, or wispy like ...