The symmetrical holes which lie more than 1.5 miles underneath the ocean surface have yet to be explained by scientists. That hasn't stopped cheeky social media users speculating that aliens have been ...

A MYSTERIOUS hole on Mars could be harbouring alien life in an extensive network of underground tunnels, according to Nasa. From orbit, scientists have captured a deep pit on the Red Planet that looks ...

Add Yahoo as a preferred source to see more of our stories on Google. As an astrophysicist, I've spent two decades modeling how black holes spin, how that creates jets, and how they affect the ...

Scientists at the University of Glasgow have proven a 50-year-old theory proposing how an alien civilisation could use a black hole to generate energy. The theory was first proposed in 1969 by British ...

NASA has found a large hole on Mars. This hole might lead to underground caves. Scientists think these caves could hold alien life. The US Geological Survey has mapped many potential cave entrances.

Without boots or machinery on the ground, it's hard to tell what is a cave entrance, and what is simply a hole A MYSTERIOUS hole on Mars could be harbouring alien life in an extensive network of ...