A video of a woman spotting “two moons” in the night sky from her roof is going viral on social media, leaving the internet ...

Titan, Saturn’s largest moon, is one of the most unique places in the solar system, featuring lakes and rivers made of liquid ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. This artist’s concept depicts a potential volcanic exomoon between the exoplanet WASP-49Ab, left, and its parent star.

Dear people of Earth: Can’t help but notice you’ve launched one of those tin-can-looking thingies into your orbit again. What ...