DOGONews has lots of great news articles and videos for science, social studies and more.There is also a SITES page with links to several good elementary web sites.
Applications for Science Teachers: Elementary science teachers will find great news articles on current science happenings. Wonderful for integrating nonfiction reading comprehension skills with content. The articles are rich with pictures and have an embedded video clip to support the reading. Definitely worth a look.
Science for All 