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

Titan, Saturn’s largest moon, is one of the most unique places in the solar system, featuring lakes and rivers made of liquid methane instead of water. Despite its freezing temperatures, its thick atmosphere and complex organic chemistry make it a prime candidate in the search for life.

Add Yahoo as a preferred source to see more of our stories on Google. Scientists have long believed Saturn’s moon Titan hid a massive underground ocean, but new research suggests something even stranger: a deep, icy slush filled with pockets of warm ...