Astronomers have discovered fresh evidence suggesting the possible existence of an unseen planet in the far reaches of our solar system.

A new study suggests yet another theory for a possible extra planet in our solar system, likely of a size between Mercury and Earth. The authors dubbed it Planet Y.

Look up Oct. 5: the nearly Harvest Moon will guide you to Saturn, where a telescope reveals its famous rings — even if ...

Recent advancements in astronomy have led to significant breakthroughs in our understanding of black holes. These include the successful imaging of black holes, the unraveling of the mystery behind ...