The story of Joshua Lederbeg, who with a young Carl Sagan helped pioneer the search for extraterrestrial life

An indie film gets buzz and a big rollout. But "What the Bleep Do We Know!?" uses questionable on-screen experts -- and appears to be an infomercial for a controversial New Age sect.

Disregarding our illusory firewalls of thought, he boldly goes where no science writer has gone before.

Sean Carroll excels at explaining complex science to regular people -- including those who don't believe

Apocalyptic visions in Los Angeles -- but what's scarier, the "fog" out my window or the new "24"? Plus: The reality finale that will make you weep.

It's only a matter of time before a large asteroid hits us again -- but, realistically, what can we do about it?

Despite the growing interest, multiple investigations have found no evidence that UFOs are extraterrestrial

Salon q-and-a: Neil deGrasse Tyson takes on climate deniers, challenges scientists to speak up before it's too late

Big Tom barfs. Pam's butt jiggles. Lindsey writhes in pain. Memories are made of this!

Scientists have tried for centuries to see if they could prove whether ghostly creatures actually exist

By Dawn MacKeen

An Israeli Defense Minister joins a cadre of politically respectable people with specious claims of meeting E.T.

Piercing a Communion wafer with a nail and throwing it in the garbage, as one crusading biologist recently did, does science no favors.

A strange exoplanet orbiting a white dwarf gives a peek at the future of our own solar system

In this exclusive Salon Q&A, space entrepreneur Naveen Jain of Moon Express predicts a future full of "Lunatics"