Over a month after its perihelion, or closest pass of the Sun, observations still clearly show 3I/ATLAS' "anti-tail." ...

A Neptune-size planet appears to be masquerading as a comet, with a gargantuan stream of gas flowing behind it like a comet's tail. The bizarre find is the first of its kind ever discovered by ...

Astronomers have found a dusty tail streaming off a faraway alien planet, suggesting that the tiny, scorching-hot world is indeed falling apart. In May, researchers announced the detection of a ...

Is it natural? Astronomers spot strange protrusion on object 3I/ATLAS as it speeds toward Earth. The interstellar comet shows ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. As a Jupiter-size world swings around its small but active star, bombarded by radiation, the ...

A mysterious visitor from the depths of interstellar space is currently putting on a celestial light show that has the ...

In most comets, the tail points away from the Sun, but this strange 'anti-tail' of 3I/ATLAS has left scientists puzzled.

In the vast, silent theatre of the cosmos, a rare visitor is preparing for its final bow before departing our solar system ...

Looking for a pair of out of this world sneakers for Alien Day? Game over, man! Reebok has partnered with 20th Century Studios for a pair of kicks inspired by James Cameron’s beloved 1986 sequel ...