American Association for the Advancement of Science (AAAS)- Dedicated to advancing science around the world by serving as an educator, leader, spokesperson and professional association. AAAS publishes Science, which includes career resources and internship programs.
Association for Women in Science - Dedicated to achieving equity and full participation for women in science, mathematics, engineering and technology.
Association of Science-Technology Centers - Represents science centers and museums and centers; search science science museums by location.
Janelia Undergraduate Scholars are among the very best future scientists, engineers, and mathematicians who are interested in exploring basic neuroscience, imaging technology, and related fields of research at Janelia. Since its inception in 2007, 90 students have participated in the summer program and 9 of them have gone on to join the Janelia Graduate Program.
MentorNet - E-mentoring network particularly for women and others underrepresented in engineering, science, and mathematics. Offers one-on-one mentoring programs and a rich resume database.
National Institutes of Health is made up of a network of centers and institutes, each of which has its own specific research agenda, often focusing on particular diseases or body systems.
National Science Foundation (NSF) - The funding source for approximately 20% of all federally-supported basic research conducted by America's colleges and universities. Site includes REU and additional funding information for undergraduates, and NSF career opportunities.
NewScientist Jobs - Search for jobs in Biology, Chemistry, Pharmaceuticals, and more.
PathwaystoScience.org - Search 1000+ fully-funded STEM programs
ScienceNews.org - Magazine of the Society for Science & the Public
Biology
American Institute of Biological Sciences - Dedicated to advancing biological research and education for the welfare of society. Visit the AIBS Careers in Biology page for helpful advice, resources and links for those considering a career in Biology.
American Society for Biochemistry and Molecular Biology (ASBMB) - Nonprofit scientific and educational organization. Most members teach and conduct research at colleges and universities; others conduct research in various government laboratories, nonprofit research institutions and industry.
American Society for Cell Biology - Career Development, Educational Resources, Newsletter, Grants, Job Board, forum and more.
Society for Conservation Biology - An international professional organization dedicated to promoting the scientific study of the phenomena that affect the maintenance, loss, and restoration of biological diversity. Includes job postings.
Chemistry
American Chemical Society (ACS) - Visit the College to Careers page to learn about areas of chemistry, chemistry careers, job search and more!
American Chemistry Council (ACC) - Represents leading companies engaged in the business of chemistry.
American Society for Biochemistry and Molecular Biology (ASBMB) - Nonprofit scientific and educational organization. Most members teach and conduct research at colleges and universities; others conduct research in various government laboratories, nonprofit research institutions and industry.
WWW Chemistry Guide - Collection of resources for professional chemists, including links to major job sites.
Environmental
EcoJobs.com - Environmental career opportunities.
Environmental Protection Agency (EPA) Careers - Search job listings, explore EPA careers in Science, Legal, Grads & Post-docs, and info about student internships.
EnvironmentalScience.org - Advocates for environmental science education and employment. Written by environmentalists for environmentalists.
National Green Pages - Directory of green businesses.
Student Conservation Association - internships in conservation, education, wildlife management, natural resources management and more
Geology
American Geological Institute - Information, education, public policy, environmental geoscience, publications, workforce, events and more.
Association for Women Geoscientists - International organization devoted to enhancing the quality and level of participation of women in geosciences and to introduce girls and young women to geoscience careers. Offers student scholarships and career profiles.
GIS Jobs - Job postings and salary survey reports for Geographic Information Systems professionals.
U.S. Geological Survey - Paid internship opportunities for undergraduates, a Recent Graduate Program, and the Presidential Management Fellows (PMF) Program.
Marine Science
MarineBio.org - MarineBio's mission is to share the wonders of the ocean to inspire education, research and a sea ethic.
MarineCareers.net will introduce you to a wide range of marine career fields and to people working in those fields. In addition, it will give those men and women a chance to tell you what they like and dislike about their careers, what they see for the future in their fields, and much more. This site also provides you with some experts' views on what the future holds for marine science careers.
National Oceanic and Atmospheric Administration - includes listing of student opportunities and link to USAJobs.gov for professional positions.
Society for Marine Mammalogy - Links for those interested in marine science.
Physics and Astronomy
American Astronomical Society - Research, publications, and job postings.
American Institute of Physics - Journals, research and career resources.
American Physical Society - Journals, research, publications, and Careers in Physics gateway for physicists, students, and physics enthusiasts to information about physics jobs and careers.
Physics News - The latest physics, technology and nanotechnology news.
PhysicsWorld.com - published by the Institute of Physics, and links to BrightRecruits.com site for physics and engineering jobs.
Society for Industrial and Applied Mathematics (SIAM) - Builds cooperation between mathematics and the worlds of science and technology through publications, research, and community. Features career information and job listings.