Do you ever question the nature of your reality? Are you real? Or are you a product of some complex computer simulation? What ...

This is not some DVD floating in space. It's a megastructure that might one day become humanity's home. The Earth might not ...

A strange star located 1,500 light-years from Earth is exhibiting strange flickering behavior that’s leading some scientists to speculate that an alien megastructure is blocking the light. But what ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Three hundred and ninety parsecs away from Earth, a star dimmed in a ...

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 ...

In 2015, reports of an unusual signal observed around a distant star spurred suggestions of the presence of an alien megastructure. But new research suggests that the bizarre discovery could instead ...

This illustration shows a star behind a shattered comet. (Credit: NASA / JPL-Caltech) That mysterious “alien megastructure” star is still a mystery, but the most plausible explanations appear to be ...

Straw grids, solar pumps and decades of effort are transforming one of the world’s harshest deserts into a test case for ...

The perplexing cosmic object known as "Boyajian's star" is once again exhibiting a mysterious pattern of dimming and brightening that scientists have tried to explain with hypotheses ranging from ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. In late 2015, astronomers noticed something absurd happening around ...

Astronomer Tabetha Boyajian discusses Tabby’s Star, “the most mysterious star in the universe,” during a TED talk in February 2016 in Vancouver, B.C. (TED via YouTube) The astronomers who once ...