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

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

But sometimes the most fascinating way to explore history is by asking a simple question: what if things had gone differently? Alternate history stories take familiar timelines and twist them, ...

There's more evidence that water once flowed on Mars with the discovery of an ancient river delta deep below the surface. NASA's Perseverance rover found it more than 35 meters beneath Jezero Crater ...

Movies like "Disclosure Day" and "Project Hail Mary" renew our fascination with extraterrestrials and the idea that humankind is not alone in the universe.