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Ivan Petricevic

Ivan Petricevic is an investigative journalist and researcher with more than a decade of experience covering ancient history, UAP phenomena, space, and science. He writes about space, science, and history for Večernji list and has appeared as an expert on Discovery Channel and History Channel. He founded Curiosmos, where he reports from primary sources, archaeological research, and field investigations.
An illustration of the ancient Maya calendar. Yayimages.

The ancient calendars that predicted the end of worlds

Long before modern clocks and dates, ancient civilizations studied the skies and built ancient calendars that predicted the end of worlds. These were not mere farming tools. Some calendars tracked…

A solar eclipse with the Moon covering the Sun

How ancient people predicted eclipses without modern science

How ancient people predicted eclipses is something that still somewhat puzzles scientists today. Their ability to forecast solar and lunar events without modern instruments shows just how far back systematic…

oldest-structures-on-earth-baalbek-temple-ruins

Ancient Stone Sites Are Rewriting Early Human History

For generations, the usual outline of early civilization was simple. People settled down, learned to farm, built villages, and only later found the surplus, labor, and social structure needed for…

An artists rendering of a statue of an ancient civilization. Shutterstock.

The Hunt for Civilizations Lost Before History

Human civilization is usually introduced as a story that begins with the first cities of Mesopotamia and Egypt a little over 5,000 years ago. Yet the deeper record has become…