Sign Up to our social questions and Answers Engine to ask questions, answer people’s questions, and connect with other people.
Login to our social questions & Answers Engine to ask questions answer people’s questions & connect with other people.
Lost your password? Please enter your email address. You will receive a link and will create a new password via email.
Please briefly explain why you feel this question should be reported.
Please briefly explain why you feel this answer should be reported.
Please briefly explain why you feel this user should be reported.
Questions | Answers | Discussions | Knowledge sharing | Communities & more.
Habitability criteria include the presence of liquid water, energy sources, and chemical building blocks necessary for life. Ongoing exploration missions to Mars, Europa, and Enceladus seek evidence of past or present life, while future telescopes aim to characterize the atmospheres of exoplanets and search for biosignatures indicative of life elsewhere in the universe.