Data sharing is expected by both federal funders and an increasing number of journals. Requirements vary widely but there are some universal best practices to use as a starting point.
Data papers are a new type of scholarly publication that provide a citable manuscript and data documentation in one package. The page on data papers provides an overview of topic and a selective list of journals that publish these manuscripts.
Data repositories are the best choice for research data sharing, distribution, and preservation.
The Data Repository page provides a basic overview of the topic, links to some of the largest and well known data repositories, and resources for locating data repositories.