Astronomy Research Opportunities (mostly for undergraduates):

Summer Student Program at the Space Telescope Science Institute in Baltimore, Maryland, USA (due by Feb. 20, 2008)

Netherlands summer radio astronomy research (due by Feb. 15, 2008)

American Astronomical Society Summer Opportunity Clearinghouse

AAS Research Experience for Undergraduates Clearinghouse | NSF Research Experience for Undergraduates Clearinghouse
(Deadlines in February: American Museum of Natural History, U. Arkansas, Carnegie Institute DTM, Montana State University, U. Texas Austin)
(Some programs require U.S. citizenship)

Natural Sciences and Engineering Research Council Undergraduate Student Research Awards
(due Jan. 25, 2008 at York)
(due by Feb. 4, 2008 at U. of Toronto)
(due by Jan. 30, 2008 at CITA in Toronto)
For other university astronomy groups in Canada, see the Association of Canadian Universities for Research in Astronomy membership list

Ontario / Baden-Wuertemberg semester exchange

Natural Sciences and Engineering Research Council Undergraduate Student Research Awards in Industry (B- average or better needed; final-year students may apply; applications due at least 4 weeks prior to start of internship; acceptance or rejection decision from NSERC made within one month of application receipt)

Smithsonian Astrophysical Observatory Predoctoral Fellowships (due by April 16, 2007)

Astronomy Careers Article (2006)