China's FAST telescope could detect self-replicating alien probes

One of the most challenging questions to answer when confronting the Fermi paradox is why exponentially scaling technologies haven't taken over the universe by now. Commonly known as von Neumann probes, the idea of a self-replicating ...

NASA's mixtape for extraterrestrial civilizations

In 1977, NASA created two LP records with tracks of global music, greetings in different languages, sounds of the planet, and sonified images, and then attached them to the two robotic probes launched that year as part of ...

New dragon-like lizard species discovered in the Tropical Andes

The Huallaga River in the Andes of central Peru extends for 1,138 km, making it the largest tributary of the Marañón River, the spinal cord of the Amazon River. This basin harbors a great variety of ecosystems, including ...

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