Astrobiology
An Experiment to Test Panspermia
One of most intriguing, and controversial, theories astrobiology is the concept of Panspermia. This idea proposes that life on Earth…
If There’s Oxygen, There’s Life
If aliens visited our Solar System, it would only take them a moment to figure out which planet is the…
How Different Could Life Be?
Over the last few years, biologists have been continuously surprised at life's ability to survive in extreme environments: in freezing…
Imagining Plants on another Planet
If and when astronomers finally start discovering life on other worlds, they'll be wondering what kinds of lifeforms are there.…
Microbes Travel With Our Spacecraft
Wherever humans go, our microbes go too. Astronauts on board Mir experienced this first hand. Even thought the spaceship was…
Scientists Lobbying to Search for Life on Europa
Recently I reported on a proposal that spacecraft should return to Jupiter's moon Europa to determine if it really has…
Martian Explorers Should Be Looking for Fossils
Instead of just looking for current life on Mars, Arizona State University professor Jack Farmer thinks that future missions should…
NASA’s Next Probe Should Visit Europa
Arizona State University professor Ronald Greeley thinks that NASA's next flagship mission to the outer planets should be sent to…
Podcast: The Fermi Paradox: Where are all the Aliens?
We live in a mind bogglingly big Universe filled with countless stars. We know intelligent life evolved here on Earth.…
Listening for ET
Are we alone in the Universe? We won't know until we really start looking for life around other stars... or…