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

'Do all aliens really need sunlight?' ...

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 ...

The Artemis II mission to the moon will likely stir conspiracy theories about lunar landings. A compelling piece of evidence ...

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.

Here's what to know about Artemis II, the first time NASA sent humans to the moon and why some people (ahem, Kim Kardashian) ...