AU Career Center (AU students only)

The Career Center offers excellent opportunities through its Career Web:
american.edu/careercenter/students/aucareerweb.html

SPIN (AU students only, on-campus access only)

Visit SPIN from a computer on campus:
www.infoed.org/new_spin/spinmain.asp
Choose "Advanced Search," then select (click on) "Applicant Type" and choose "Undergraduate" or "Graduate Student." Select "Keywords" and either select "Science and Technology" or specific topic. More advanced searching is possible; play around. Remember to "Clear Search" every time, or the blanks will automatically refill.

National Institute of Standards and Technology summer program

This national laboratory is nearby. Surf their website or contact specific researchers. 
www.surf.nist.gov/surf2.htm

Science.Gov

This is a clearing house for science related government internships:
www.science.gov/internships/undergrad.html

National Science Foundation

This link has scholarships and internships opportunities funding through NSF:
http://www.nsf.gov/funding/education.jsp?org=NSF&fund_type=1
There may be other funding opportunities at NSF, so surf around.

DC NASA Space Grant Consortium

Headquartered right here at AU, the DC NASA Space Grant Consortium funds internships and summer research experiences at NASA: http://dcspacegrant.org/

Upsilon Pi Epsilon Scholarship Program

We are the Washington DC Alpha Chapter of the International Honor Society for Computing Science.   They offer scholarship awards annually. See http://upe.acm.org/.