Scientists are refining the definition of the habitable zone in an effort to aid future efforts at finding life.
A new analysis method has revealed DNA building blocks in meteorites, suggesting that these prebiotic molecules might have formed during the solar system's earliest years.
Researchers discuss new signs of chemistry favorable to life at Mars, Europa, and Enceladus — plus how to probe for its presence with interplanetary missions.
There’s no hiding — changes in Earth’s atmosphere over the seasons are a dead giveaway to the fact that Earth hosts life. Now a new study explores whether we might use atmospheric seasonality like Earth’s to detect life on other planets. Looking for Change Most of the searches for life…