Halloween comes every year with treats, spookiness and costumes. But why do we celebrate it on Oct. 31? And what does Samhain have to do with it?

An ancient Celtic Festival, the Catholic Church, the Irish Potato Famine, and community leaders turned Halloween into the holiday we know today. Here's the history.

Wondering how and when Halloween started and why we trick or treat for candy? Here's what to know about Halloween's past and evolution.

This article originally appeared on The Conversation. This article by Tok Thompson is republished here with permission from The Conversation. This content is shared here because the topic may interest ...

A special Halloween celebration awaited antique lovers at the Roman Archaeological Park and Museum in Budapest. Although many people associate Halloween with the United States, the festival has Celtic ...

As the leaves turn and the nights grow long, people across the United States and the world prepare for a night of costumed ...

Halloween is an annual holiday, celebrated each year on October 31, that has roots in age-old European traditions. It originated with the ancient Celtic festival of Samhain, when people would light ...

As Halloween approaches, people get ready to celebrate the spooky, the scary and the haunted. Ghosts, zombies, skeletons and witches show up in yards, windows and stores. Festivities revolve around ...

The line between the worlds of the living and dead will be their thinnest tonight. At least, that's what the old lore of Halloween says. While now the day is mostly associated with trick-or-treating, ...