Latest Issue of Science News


Life’s Housing May Come from Space

Gimme shelter! The cell-like envelopes in which life on Earth arose and evolved may literally have dropped from the sky, a new study suggests.

Scientists exploring the origins of life have focused on two ingredients—proteins, the workhouse molecules that underlie life's activities, and DNA, the molecule that carries the blueprint for future generations. But to thrive, life as we know it requires something else: a container to protect the molecular machinery from the vagaries of the world around it.

Note: To comment, Science News subscribing members must now establish a separate login relationship with Disqus. Click the Disqus icon below, enter your e-mail and click “forgot password” to reset your password. You may also log into Disqus using Facebook, Twitter or Google.

This article is available only to subscribing members. Join SSP today or Log in.