Attention human. You are receiving an interstellar radio transmission. And it could be coming from one of the nearest ...

Scientists continue to explore one of humanity’s biggest questions: are we alone in the universe? This documentary examines ...

Humans have always looked up at the night sky and wondered about our place in the vast cosmos. A Soviet astronomer named Nikolai Kardashev created a brilliant method to measure how advanced an alien ...

The best way to find alien technosignatures is to look for ones that have long survived their creators, according to a new ...

Our search for technosignatures—clear signs of advanced civilizations beyond Earth—takes many forms. Many are driven by the famous Drake equation, which attempts to estimate how many technological ...

If so, why haven’t they said hello? The humble residents of this pale blue dot have been on a quest to find an alien civilisation for more than a century. First, it was the “canals” of Mars. Then ...

In 1995, a pair of scientists discovered a planet outside our solar system orbiting a solar-type star. Since that finding—which won the scientists a portion of the 2019 Nobel Prize in ...

To assess the plausibility of alien visitors, it’s necessary to understand the obstacles that an extraterrestrial vessel would need to overcome to reach Earth ...