Extraterrestrial Life

Do Stars Move? Tracking Their Movements Across the Sky

The stars look static in the sky, but are they moving? How fast, and how do we know? What events…

7 years ago

Now, Witness The Power Of This Fully Operational Radio Telescope!

Construction has just finished on the Five-hundred-metre Aperture Spherical Telescope (FAST), the world's largest single-aperture telescope

8 years ago

Is There a Kraken in Kraken Mare? What Kind of Life Would We Find on Titan?

Could there be life on Saturn’s large moon Titan? Asking the question forces astrobiologists and chemists to think carefully and…

9 years ago

What are the Galilean Moons?

It's no accident that Jupiter shares its name with the king of the gods. In addition to being the largest…

9 years ago

Defining Life II: Metabolism and Evolution as clues to Extraterrestrial Life

In the movie "Avatar", we could tell at a glance that the alien moon Pandora was teeming with alien life.…

9 years ago

Defining Life I: What are Astrobiologists Looking For?

How can astrobiologists find extraterrestrial life? In everyday life, we usually don’t have any problem telling that a dog or…

9 years ago

Moons of Confusion: Why Finding Extraterrestrial Life may be Harder than we Thought

Astronomers and planetary scientists thought they knew how to find evidence of life on planets beyond our Solar System. But,…

10 years ago

A New Mantra: Follow the Methane — May Advance Search for Extraterrestrial Life

The search for life is largely limited to the search for water. We look for exoplanets at the correct distances…

10 years ago

Lone Signal: First Continous Message Beacon to Find and Say Hello to an Extraterrestrial Civilization

Although scientists have been listening for years to search for indications of other sentient life in the Universe, just a…

11 years ago

SETI: The Search Goes On

In this new video, SETI founder Frank Drake and astronomer Jill Tarter about why the search of the cosmos is…

11 years ago