Here is the collection of science resource links.

Center for Disease Control
Provides news of outbreaks and medical advances against diseases

Chaos Group at the University of Maryland
Examine research done in the area of chaotic dynamics including the theory of dimensions, fractal boundaries, chaotic scattering, controlling chaos etc. A must-visit for SF writers.

Cosmiverse
Cosmiverse provides coverage of space-related news, including frequently updated news headlines and resources.

Discover Online
Website for Discover Magazine. Contains a section called Web Picks, where each week new science websites are reviewed in several categories including biology, mind and brain and astronomy.

Earth & Sky Radio Series
The National Science Foundation's award-winning daily science radio series. Answers questions to common and not-so-commonly asked science questions.

Environment Virtual Library
An extensive collection of environment related links.

Fish & Wildlife Service
Official Fish & Wildlife Service website.

Franklin Institute Science Museum, The
Online exhibits, resources, educational hotlists, science programs and demonstrations, a publications library, and an online museum can all be found at this site.

Geological Survey
Official Geological Survey website.

GeologyLink
GeologyLink is open to students, university instructors, professional geologists, and anyone else who seeks insight into the world’s daily geological rumblings.

Internet Research Resources for SF writers
This article will help you find some of these science resources and guide you to resources from which you can dig deeper into the Web for more specific information.

NASA
This popular site contains features about aeronautics, space science, technology development, and human space flight.

NASA Headquarers
Run by the staff at NASA offices in Washington, D.C., this site provides financial and information specific NASA's Headquarters. Contains links to the headquarters of various departments as well as what's new, reports and more.

National Hurricane Center
Provides data and newsbriefs on tropical storms and developing tropical storms

National Institute of Standards and Technology
NIST strengthens the U.S. economy and improves the quality of life by working with industry to develop and apply technology, measurements, and standards.

National Park Service
Official National Park Service website.

National Weather Service
Provides official weather service broadcasts and observations.

NOAA
NOAA warns of dangerous weather, charts our seas and skies and guides our use and protection of ocean and coastal resources.

Online Periodic Table
A dynamic online version of the periodic table.

Online Planetarium Show, The
Informative and well-designed online exhibit takes the viewer on a guided tour of images taken by the Hubble Space Telescope. The tour offers a wealth of astronomical information with beautiful images of the cosmos.

SciCentral
SciCentral provides links to science resources in a number of science categories. An excellent collection of links.

Science Twitter
Breaking science news from the Science Twitter account.

Science, Space & Robots
A frequently updated weblog providing coverage of science and space news.

Science.gov
Offers a compilation of information from 10 government agencies and 14 scientific and technical organizations.

Space.com
A resource providing facts, new and resources about space and space exploration.

WhyFiles
Provides the "science behind the news" or articles on the actual science involved in subjects from recent headlines.