http://heasarc.gsfc.nasa.gov/ark/ News for the HEASARC's Astrophysics Research Knowledgebase (ARK) Service Wed, 19 Dec 2012 13:45:01 -0500 https://heasarc.gsfc.nasa.gov/ark/user/password.html Due to new NASA IT security policies, all ARK passwords must be changed by 11:59pm EST, January 24th, 2012. Failure to do so will result in your ARK account being disabled. Please <a href="https://heasarc.gsfc.nasa.gov/ark/user/password.html">change your ARK account password</a> as soon as possible. 93c86b1725ccae585077708d5c5951d8 Thu, 12 Jan 2012 18:26:09 -0500 webcal://heasarc.gsfc.nasa.gov/ark/rps/rps_deadlines.ics <a href="webcal://heasarc.gsfc.nasa.gov/ark/rps/rps_deadlines.ics">Subscribe to the ARK/RPS calendar</a> (<a href="https://heasarc.gsfc.nasa.gov/ark/rps/help/quick/#ical">instructions</a>) to stay informed of upcoming proposal submission deadlines. 5b8807783665674ae0d9186e1122ae6b Fri, 23 Oct 2009 15:34:29 -0500