The true, interwoven history of flying saucers in American folklore.

Why some people think the Holocaust never happened, and what to do about it.

Some women you haven't heard of who made significant contributions to science.

These important scientists are virtually unknown. Let's see if we can fix that.

The fate of Sir John Franklin's Lost Expedition gives a valuable lesson in types of evidence.

Think you're going to find Captain Kidd's buried treasure on the US east coast? Think again.

This most unlikely of guardian angels saved hundreds of thousands of Chinese lives.

Chemicals are deadly, delicious, essential and basically, everything.

Today we're going to answer questions sent in by listeners pertaining to episodes having to do with our natural world.

They say that a half-canine cryptid stalks the woods of Northern Michigan. Are they right?