If I were looking at Earth from a distance, I would be pretty disappointed,” theoretical physicist Avi Loeb says. “Most of ...

U.S. Vice President JD Vance warns Iran not to “play” the U.S. as he heads to Pakistan for high-stakes negotiations aimed at ...

In these science fiction books, extraterrestrial beings are sympathetic, horrifying and everything in between.

Star Trek is packed with all sorts of alien, both on the Enterprise and throughout the final frontier, and these are the ...

Kendra Pierre-Louis: For Scientific American’s Science Quickly, I’m Kendra Pierre-Louis, in for Rachel Feltman. [CLIP: The spaceship Hail Mary’s operating system (played by Priya Kansara) speaks in ...

Solar winds and coronal mass ejections may scatter narrow signals, making them harder for Earth-based telescopes to detect. The SETI Institute uses radio telescopes to search for signs of intelligent ...

Some time in the near future, Ryland Grace (Ryan Gosling) wakes up from an induced coma in a spaceship. Light years from home, Grace has no memory of how he got there. As he searches the ship, he ...