Editing Discovery Program (section)

=== Discovery 12 ===
[[File:TSSM-TandEM-Lander.jpg|thumb|Artist's impression of proposed TiME lake lander for Saturn's moon Titan]]

The Announcement of Opportunity for a Discovery mission released on June 7, 2010. For this cycle, 28 proposals were received; 3 were for the Moon, 4 for Mars, 7 for Venus, 1 for Jupiter, 1 to a Jupiter Trojan, 2 to Saturn, 7 to asteroids, and 3 to comets.<ref>{{cite journal |first=Eric |last=Hand |title=Venus scientists fear neglect |journal=Nature |volume=477 |issue=7363 |pages=145 |date=September 2, 2011 |pmid=21900987 |bibcode=2011Natur.477..145H |doi=10.1038/477145a |s2cid=4410972 |doi-access=free }}</ref><ref>{{cite web |author=Jpl, Nasa |url=http://marsmobile.jpl.nasa.gov/news/whatsnew/index.cfm?FuseAction=ShowNews&NewsID=1316 |title=Mars Mobile |website=Marsmobile.jpl.nasa.gov |date=August 20, 2012 |access-date=January 11, 2016 |archive-url=https://web.archive.org/web/20160604121730/http://marsmobile.jpl.nasa.gov/news/whatsnew/index.cfm?FuseAction=ShowNews&NewsID=1316 |archive-date=June 4, 2016 |url-status=dead }}</ref> Out of the 28 proposals, three finalists received US$3 million in May 2011 to develop a detailed concept study:<ref>{{cite web |title=NASA Selects Investigations For Future Key Planetary Mission |url=http://www.nasa.gov/home/hqnews/2011/may/HQ_11-132_Future_Plantary.html |publisher=NASA |access-date=May 6, 2011 |archive-date=May 7, 2011 |archive-url=https://web.archive.org/web/20110507065258/http://www.nasa.gov/home/hqnews/2011/may/HQ_11-132_Future_Plantary.html |url-status=dead }}</ref> 
* ''[[InSight]]'', a Mars lander.
* [[Titan Mare Explorer]] (TiME), a lake lander for [[Saturn]]'s moon [[Titan (moon)|Titan]] with methane-ethane lakes.
* [[Comet Hopper]] (CHopper) to study cometary evolution by landing on a comet multiple times and observing its changes as it interacts with the Sun.

In August 2012, '''''[[InSight]]''''' was selected for development and launch.<ref name="washington">{{cite news |url=https://www.washingtonpost.com/national/health-science/nasa-will-send-robot-drill-to-mars-in-2016/2012/08/20/43bf1980-eaef-11e1-9ddc-340d5efb1e9c_story.html |title=NASA will send robot drill to Mars in 2016 |newspaper=The Washington Post |first=Brian |last=Vastag |date=August 20, 2012}}</ref> The mission launched on May 5, 2018, and successfully landed on Mars on November 26.<ref>{{Cite web|title=InSight Mission Timeline Overview|url=https://mars.nasa.gov/insight/timeline/overview/|access-date=24 February 2021|website=mars.nasa.gov|publisher=[[NASA]]}}</ref>