Neil deGrasse Tyson reveals what could happen when aliens arrive on Earth 👽. Explore the science, possibilities, and how ...

A theory as to why we haven't heard from aliens which renowned theoretical physicist and cosmologist Stephen Hawking agreed with has resurfaced online. Planet Earth is about the size of a speck of ...

According to IMDb users, Jurassic Park, Ready Player One, and E.T. the Extra-Terrestrial are among the best sci-fi films ...

From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

In 2025, astronomers sharpened their view of the planetary system around Proxima Centauri — the sun's closest stellar neighbor, which lies just 4.2 light-years away — thanks to a powerful new ...