A gamma ray glow at our galaxy’s center has puzzled scientists for almost two decades. New computer simulations back the ...

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

A newly discovered odd radio circle in space could serve as a time capsule for the violent events that shape galaxies.

Comets SWAN and Lemmon will both swing by Earth and appear bright in the sky near the end of October. Here’s how to see them.

A pair of once-in-a-lifetime comets are rocketing through our skies right now, and it's a rare treat because they won't be ...

(CNN) — 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 ...

Audiences had a particular image of June Lockhart thanks to "Lassie" and "Lost in Space," but was she really like the caring, ...

"Current models are showing the [Lemmon] comet will likely peak between 3.5 and 4.5 magnitudes when it is nearest to Earth on ...