Ancient Aliens: TOP UFO MYSTERIES OF 2025 | Part 1

Dive into this year’s most-watched Ancient Aliens moments. These fan-favorite segments rose to the top in 2025, showcasing the theories, discoveries, and unexplained mysteries viewers couldn’t stop revisiting. Find out more about the show and watch full episodes on our site: "Ancient Aliens"...

59 min - Space & the Universe - HISTORY

More: Searching for Aliens documentaries

Read Deeper: Searching for Aliens

1. The Eerie Silence by Paul Davies - View on Amazon
2. Extraterrestrial by Avi Loeb - View on Amazon
3. Rare Earth by Peter Douglas Ward - View on Amazon
4. The Smallest Lights in the Universe by Sara Seager - View on Amazon
5. Strange New Worlds by Ray Jayawardhana - View on Amazon

Watch Next

• Alien (Featuring Will Smith) | Full Episode | One Strange Rock (47 min, National Geographic)
• What Happens If We’re Contacted By Aliens? (51 min, Spark)
• Is There A Simple Solution To The Fermi Paradox? (21 min, PBS Space Time)
• There Are Thousands of Alien Empires in The Milky Way (14 min, Kurzgesagt)
• Why Aliens Might Already Be On Their Way To Us (11 min, Kurzgesagt)
• Are There Lost Alien Civilizations in Our Past? (10 min, Kurzgesagt)
• Why We Should NOT Look For Aliens - The Dark Forest (11 min, Kurzgesagt)
• What Do Alien Civilizations Look Like? The Kardashev Scale (12 min, Kurzgesagt)