Lilo & Stitch 626 #2 hits stores Wednesday! Can Stitch learn to swim, or will a giant squid ruin everything? Plus: flashback ...

The Harvard astrophysicist has devoted years—and thousands of interviews—to the idea that mysterious objects streaking ...

Learn about a new working paper that argues that consciousness may not be limited to Earth-like biology, raising the ...

The idea that an advanced civilization existed on Earth long before humans is fascinating, but scientists aren't convinced.

The “Wow!” signal is one of our best pieces of evidence for aliens, but researchers are building a compelling case for a more ...

This video explores obscure answers to the Fermi Paradox, asking why the universe seems silent if alien civilizations should ...