This website discusses the Fermi Paradox, which is about the chances of life beyond Planet Earth. The first part estimates the possibility of existence of other intelligent civilization in our galaxy by solving the Drake...

This magazine article features an interview with Andrew Knoll, member of the Mars Exploration Rover science team and Fisher Professor of Natural History at Harvard University. His research focuses on ancient rocks on...

Live from CERN is a series of live and archived video broadcasts on topics in physics and related fields with supporting educational material. Broadcasts so far include content on antimatter, extraterrestrial life, and...

This National Academy of Sciences scholarly paper discusses the strongest line of evidence for past life on Mars based on NASA's David McKay's original claims of finding nanofossils on the ALH84001 meteorite. This study...

This article discusses the history and future of planetary-protection restrictions. It begins by addressing the difficulty of discovering (possibly rare) life elsewhere, and then describes the potential difficulties of...