Our search for life beyond Earth is still in its infancy. We're focused on Mars and, to a lesser extent,…
The Search for Life is focused on the search for biosignatures. Planetary life leaves a chemical fingerprint on a planet's…
On Earth, continents are likely necessary to support life. Continents 'float' on top of the Earth's viscous mantle, and heat…
Astronomers have found tentative evidence of a biosignature on an alien world, but we are far from proving that extraterrestrial…
Imagine we detect an interstellar object entering our Solar System. At first, astronomers think it's just another natural interloper like…
It's widely accepted that Earth's plate tectonics are a key factor in life's emergence. Plate tectonics allows heat to move…
The habitable zone is the region around a star where planets can maintain liquid water on their surface. It's axiomatic…
A team of physicists have discovered that the environment of a molecular cloud in interstellar space can support the existence…
Did humanity miss the party? Are SETI, the Drake Equation, and the Fermi Paradox all just artifacts of our ignorance…
Stars emit powerful flares that can be deadly for any burgeoning life on nearby planets. Images from spacecraft that monitor…