Aimed at the general reader, this is a readable 1998 account of the scientific basis for thinking there may be life elsewhere in the Universe.

The field of planetary biology and chemical evolution draws together experts in astronomy, paleobiology, biochemistry, and space science who work together to un

An insider's look at the cutting-edge science of today's planet hunters In Strange New Worlds, renowned astronomer Ray Jayawardhana brings news from the front l

This book discusses the big questions about how the discovery of extraterrestrial life, whether intelligent or microbial, would impact society and humankind.

Are we alone in the universe? As humans, are we unique or are we part of a greater cosmic existence? What is lifeÕs future on Earth and beyond? How does life b