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

When evaluating possible planets out of the thousands out there, explained Prof. Bean, scientists look for liquid water as a ...

The interstellar object 3I/ATLAS has gathered significant scientific attention, and soon it will reach its closest point to ...

Our solar system and galaxy were the first objects of study for what was going on in the universe. Among the various ...

A newly discovered warp in the outer Solar System may have been created by a small, rocky world, much closer to the Sun than ...

By early December, 3I/ATLAS will move away from the Sun’s vicinity, and its glare, and will be visible again in the Northern ...

Comet 3I/ATLAS will be closest to the Sun on October 29 and will be observable through telescopes. Here is how you can track it.

The search for an unknown planet in our solar system has inspired astronomers for more than a century. Now, a recent study suggests a potential new candidate, which the paper’s authors have dubbed ...

The 3I/ATLAS comet was first spotted in July near Jupiter after it entered our solar system from another universe. Here’s ...