A building four times the size of any house around it stood at the entrance of a small prehistoric settlement in northeastern ...

A group of researchers have identified at least seven stars that might be surrounded by advanced alien mega-structures known as "dyson spheres." NBC News' Ellison ...

In Botoșani County, Romania, a team of archaeologists uncovered a monumental mega-structure dating back 6,000 years. This ...

There's rarely time to write about every cool science-y story that comes our way. So this year, we're once again running a special Twelve Days of Christmas series of posts, highlighting one science ...