Alien Life

Alien Life

Is Water Necessary for Life?

Alien Life, Exoplanets, Planets, Solar System

Is There Life on Mars, Titan, or Europa?

Alien Life

Are We Alone?

Alien Life, Solar System

What Will Happen to Life on Earth?

Alien Life, Solar System

Comets are teaching us how to make breathable oxygen in space

Alien Life, Exoplanets, Planets

Searching for aliens who already know we’re here

Alien Life, Exoplanets, Planets

Life or illusion? Avoiding “false positives” in the search for living worlds

Alien Life, Exoplanets, Planets

The aliens are silent because they are extinct

Alien Life

Web Extra: In search of Dyson spheres

Alien Life, Stars

No alien laser signals seen from strange star

Alien Life, Exoplanets, Planets

Could life exist on other planets?

Alien Life, Stars

SETI sets its sights on KIC 8462852