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

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 ...

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 ...

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 ...

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, ...

Back in 2016, headlines all over the world blared with news of a possible "alien megastructure" detected orbiting a distant Milky Way star. Now, a team of Columbia University astrophysicists has ...

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 ...

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 ...

Following is a transcript of the video. Narrator: In 2015, astronomers noticed something ...strange going on nearly 1,500 light-years from home. A star named KIC 8462852, aka Tabby's Star, kept ...