When Elon Musk tweeted "aliens built the pyramids obvs" in July 2020, Egypt's most famous archaeologist Zahi Hawass responded ...

Investigating an area of interesting light rock seen from orbit, Curiosity found some particularly weird-looking structures.

Once it was clear that the finding was most likely real, the team took a closer look at the chemistry of the material nearest ...

Deep oceans of magma once sloshed about inside the crust of Mars, seismic measurements taken by NASA's InSight mission ...

Thus far, our search for extraterrestrial life points toward Clarke’s former point, suggesting that our little blue dot is ...

Are aliens real? Was Fox Mulder right all along? We examine the prediction markets to gauge if the U.S. government will confirm that aliens exist before January 2029. The prediction market on a U.S.