A strange formation spotted deep within a massive Martian canyon is once again fueling debate over whether something more ...

IMAGES of an unusual pyramid-shaped structure on Mars that look like those in Egypt have reignited wild theories about aliens ...

NASA photos appear to show a pyramid-like structure the same size as Giza on Mars, prompting speculation about whether an ...

Evidence of alien life or cosmic pyramid scheme? A documentary filmmaker sparked a discussion of advanced Martian ...

Scientists have long thought there are a series of pyramid-like structures on Mars, with recent images showing one that could ...

A Catalan scientist claims the pyramids could be 12,000 years old. Here’s what the study says and why experts remain ...

A corridor nearly 9 meters long and about 2 meters wide sits above the Great Pyramid’s original entrance, a discovery that ...

Add Yahoo as a preferred source to see more of our stories on Google. Mexico is filled with ancient wonders, including pyramids. These structures aren't just impressive piles of stone—they're windows ...

Lucina Melesio explores how physicists are mapping the internal structures of ancient pyramids in Mexico and Central America using muons – potentially revealing hidden chambers that could finally lead ...

A triangular, pyramid-like structure on Mars’ Candor Chasma has sparked debate. Seen in multiple NASA images since 2001, experts suggest it may be artificial, raising questions about ancient Martian ...