We often imagine Earth being visited by more advanced civilizations, but in the future humanity may encounter more primitive ...

Clandestine conspiracies and covert alien activity are popular theories involving UFO & UAP sightings as well as in science ...

Well, as you may be aware they've been talking about an impending alien invasion for a while now, annnnd this looks like an alien to me. Kind of cute, though.

Plate tectonics seems to be crucial for life on Earth, but we’ve never confirmed that it happens on other worlds - that may ...

Scientists have identified Acidalia Planitia on Mars as a potential hotspot for alien life, with conditions ideal for ...

Across North America, at least 70 imported, alien earthworm species are quietly altering our ecosystems, posing a largely ...

Scientists have identified a region on Mars that could support living organisms, potentially bringing us a step closer to ...

Scientists have been searching for evidence of extraterrestrial life for decades. So, where are all the aliens? Here are 12 ...

Despite the waffling discussion, one key thing was missing from the witness testimonies that day: real, tangible evidence.

For now, the U.S. government’s official stance is that extraterrestrial life does not exist. In Wisconsin, we're not so sure.

Imperial College London scientists say microbes on asteroid samples from Japan's Hayabusa 2 mission have down to Earth ...

Dr. Dirk Schulze-Makuch believes his research into extremophiles in the Atacama could help NASA re-assess its search for ...