Using an array of powerful radio telescopes high in the desert mountains of northern Chile, astronomers have confirmed the first discovery of alien exomoons. In our own solar system, there are over ...

A video of a woman spotting “two moons” in the night sky from her roof is going viral on social media, leaving the internet theorising about a possible “UFO or alien sighting”. Take a ...

Researchers have uncovered startling insights into boiling oceans on small icy moons in the outer reaches of the solar system. Findings have been published in the journal Nature Astronomy. To ...

A mysterious object spotted hurtling toward Earth has sparked a wave of global panic and wild alien invasion theories online. Astronomers have confirmed the discovery of a new interstellar object ...

Unlike our Moon, they can keep water in oceans liquid for more than 4 billion years.