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

NASA’S top chief has weighed in on one of humanity’s biggest mysteries – are we alone in the universe? The US space agency’s ...

The moon's magnetic field lasted at least 1 billion years longer than previously thought, a new study finds. This suggests that alien moons and planets may also have magnetic fields that can survive ...

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 ...

NASA officials have previously spoken of the possibility of extraterrestrial life amid scientific uncertainty while ...

The photos show an eclipse and a distant Earth disappearing behind the moon, a disorienting and surreal perspective. Here's ...