Across the world, archaeologists keep stumbling on structures so old, so large and so technically sophisticated that they ...

A huge bar of iron has been discovered lurking inside the iconic Ring Nebula. The structure is enormous, spanning hundreds of ...

Two enormous structures that sit at the border between the Earth’s mantle and its core have puzzled scientists for decades, defying reigning theories of how our planet came to be. In a new study ...

In a recent revelation that could reshape our understanding of space and the potential for extraterrestrial life, NASA has released data suggesting the presence of artificial structures on the moon.

The Defense Advanced Research Projects Agency (DARPA) — which has been known to fund the development of sci-fi-sounding ideas like flying aircraft carriers or massive streetlights on the Moon — is now ...