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

For decades, astronomers were only able to study the universe's very first stars using theoretical models. Now, observations from the James Webb Space Telescope (JWST) have revealed what may be the ...

His job was to uncover secrets from the unknown. But his curiosity opened doors that the government preferred to keep closed.

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 ...