galactic panspermia

We Could Spread Life to the Milky Way With Comets. But Should We?

Here's a thorny problem: What if life doesn't always appear on planets that can support it? What if we find…

1 year ago

Galactic Panspermia. How far Could Life Spread Naturally in a Galaxy Like the Milky Way?

Can life spread throughout a galaxy like the Milky Way without technological intervention? That question is largely unanswered. A new…

3 years ago

Comets and Interstellar Objects Could be Exporting Earth Life Out into the Milky Way

A new study suggests that comets and asteroids that graze Earth's atmosphere might be responsible for the spread of life…

4 years ago

The Milky Way Could Be Spreading Life From Star to Star

A new study from the Harvard-Smithsonian Center for Astrophysics addresses the possibility of panspermia on a galactic (and intergalactic) scale

5 years ago