A distant gas giant the size of 10 Jupiters is now the first planet outside Earth's solar system to be mapped in three ...

The comet – named 3I/ ATLAS – was discovered this summer and led to excitement because it appears to be an interstellar comet ...

A rare interstellar visitor, comet 3I/ATLAS, is currently traversing our solar system, offering scientists a unique chance to ...

A new study suggests yet another theory for a possible extra planet in our solar system, likely of a size between Mercury and ...

While most scientists believe it’s a natural comet, one Harvard astronomer has suggested its unusual features could hint at ...

The James Webb Telescope captures the beginning of planetary formation around the young star HOPS-315 for the first time.

A coronal mass ejection on another star has been witnessed in its entirety for the first time, revealing that when these ...

The interstellar object hurtling toward the inner solar system, where Earth is located, is much larger than previously ...

Astronomers found an interstellar "tunnel" - a cosmic channel that connects our solar system to distant stars, according to a ...

As 3I/ATLAS moved closer to the Sun, it raised doubts about whether it’s following a natural path or performing an Oberth Maneuver ...

While 3I/ATLAS is getting all the attention, there are a number of other comets visible through telescopes and binoculars in ...