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

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

What's special about Chiron's rings is that they're still forming; this marks the first time astronomers have ever seen a ...

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

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

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

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

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

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 ...

Viewed from orbit, Jackass Flats — situated in southern Nevada about 65 miles northwest of Las Vegas — could easily be confused for Mars. The alluvial basin is full of tan and gray regolit ...