We’ve been searching for extraterrestrial intelligence for decades now—and it’s high time we found something. Yet, to our immense frustration, all searches thus far have come up decidedly empty. So, what gives? We’ve assembled a number of tentative theories for why ET is giving us the cold shoulder.
The Kardashev Scale measures the technological capabilities of advanced alien civilizations that may exist in our universe. How do humans rank? (Spoiler: not very well)
The “Breakthrough Initiatives” seek to answer one of the most pressing questions of our day: are we alone in the universe? Breakthrough Listen will scan the skies for alien signals, while Breakthrough Starshot aims to develop interstellar craft to explore alien worlds. Here’s a look at this ambitious program of research.
Maybe it's about time ET phoned us?
The odds of us being alone in the universe may be higher than the odds of aliens treating Earth like a zoo.
Are aliens humanoids like us, or are they likely something far stranger?
Space, it seems, is just too big.
NASA is developing a huge flower-shaped starshade in order to take a closer look at distant planets.
Their addendum to the Drake equation suggests that extraterrestrial civilizations might be more common than thought.
For years, we have been trying to communicate with aliens living out in the cosmos. Could it be that they are not responding because they are all dead?
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