Extraterrestrial Intelligence

Do Planets Have the Raw Ingredients for Life? The Answer is in their Stars

Finding planets that already have, or have the ingredients for intelligent life is a real challenge. It is exciting that…

1 week ago

Warp Drives Could Generate Gravitational Waves

Will future humans use warp drives to explore the cosmos? We're in no position to eliminate the possibility. But if…

1 month ago

Does the Rise of AI Explain the Great Silence in the Universe?

Artificial Intelligence is making its presence felt in thousands of different ways. It helps scientists make sense of vast troves…

3 months ago

Some Intelligent Civilizations Will Be Trapped on their Worlds

Evolution has produced a wondrously diverse variety of lifeforms here on Earth. It just so happens that talking primates with…

5 months ago

Can Alien Civilizations Detect Humanity?

One of the fascinating things about being a human in this age is that we can do more than wonder…

6 months ago

Breakthrough Listen Scans Entire Galaxies for Signals From Extremely Advanced Civilizations

In 1960, Dr. Frank Drake led the first Search for Extraterrestrial Intelligence (SETI) experiment at the National Radio Astronomy Observatory…

7 months ago

Since Aliens Obey the Laws of Physics, Can We Guess What They Look Like?

Since time immemorial, humans have gazed up at the stars and wondered if we’re alone in the universe. We have…

10 months ago

Gaia is Now Finding Planets. Could it Find Another Earth?

The ESA launched Gaia in 2013 with one overarching goal: to map more than one billion stars in the Milky…

10 months ago

Could We Find Aliens Terraforming Other Worlds?

The first early humans to use fire had no inkling of what it would lead to. Fire was one of…

10 months ago

Is Anyone Planning for Diplomacy with an Extraterrestrial Civilization?

Imagine we detect an interstellar object entering our Solar System. At first, astronomers think it's just another natural interloper like…

11 months ago