In our roundup of travel stories this week: a man recreates his father’s round-the-world bicycle trip, a luxury yacht that ...

There are three ways to look for evidence of alien technological civilizations. One is to look out for deliberate attempts by them to communicate their existence, for example, through radio broadcasts ...

A megastructure found in the Baltic Sea may represent one of the oldest known hunting structures used in the Stone Age — and could change what’s known about how hunter-gatherers lived around 11,000 ...

Lurking some nine billion light years away from Earth is what appears to be a so-called cosmic megastructure in the shape of an enormous ring. It’s so large that its existence should be impossible, ...

The hunt for an alien megastructure in 2015 wasn't totally fruitless. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Breaking space news, the ...

A mysterious star whose repeated bouts of darkening might be due to "alien megastructures," according to some researchers' conjectures, may now have more than a dozen counterparts that display ...

Let's just call it the alien megastructure that wasn't. More than 100 researchers have released a study showing that the mysterious star KIC 8462852, better known as Tabby's Star, is almost certainly ...

The "alien megastructure" star now dubbed Boyajian’s Star is causing scientists to really reach down deep with their creativity to explain the dimming seen in the distant celestial object. Patrick ...

Would you want to wake up every morning inside a fungus? Instead of a regular apartment made of wood, concrete, glass and metal, every aspect of the space would be composed of a living fungus that's ...

Imagine that you roll out of bed onto a living fungus floor. The walls and ceiling — heck, the whole apartment building, down to the plumbing and electrical systems — are made of fungus too. Wood and ...