Tasker joined [[Columbia University]] as a [[postdoctoral]] [[research assistant]], where she worked on simulations of [[star formation]] that incorporated feedback from [[Supernova|supernovaesupernova]]e.<ref>{{Cite journal|last=Tasker|first=Elizabeth J.|last2=Bryan|first2=Greg L.|date=2006|title=Simulating Star Formation and Feedback in Galactic Disk Models|journal=The Astrophysical Journal|volume=641|issue=2|pages=878–890|doi=10.1086/500567|issn=0004-637X|bibcode=2006ApJ...641..878T|arxiv=astro-ph/0512027}}</ref> She has investigated whether stellar feedback results in the death of [[Giant Molecular Cloud|Giant Molecular Clouds]]s.<ref>{{Cite journal|last=Tasker|first=Elizabeth J.|last2=Wadsley|first2=James|last3=Pudritz|first3=Ralph|date=2015|title=Star Formation in Disk Galaxies. III. Does stellar feedback result in cloud death?|journal=The Astrophysical Journal|volume=801|issue=1|pages=33|doi=10.1088/0004-637X/801/1/33|issn=1538-4357|arxiv=1501.00277|bibcode=2015ApJ...801...33T}}</ref> She spent three years at the [[University of Florida]] as the Theoretical Astrophysics Postdoctoral Fellow, before moving to [[McMaster University]] as a CITA National Fellow in 2009.<ref>{{Cite web|url=https://www.seattletechnicalbooks.com/elizabeth-tasker-planet-factory|title=Elizabeth Tasker: The Planet Factory {{!}} Ada's Technical Books|website=seattletechnicalbooks.com|access-date=2019-01-19}}</ref>
Tasker's research investigates how stars form in [[Disc galaxy|disc galaxies]] using [[Computercomputer simulation|computer simulations]]s.<ref name=":1">{{Cite web|url=https://tenure-track.cris.hokudai.ac.jp/en/researcher/elizabeth-tasker/|title=Elizabeth TASKER » Office of Promotion and Standardization of the Tenure-Track System {{!}} 北海道大学|website=tenure-track.cris.hokudai.ac.jp|access-date=2019-01-19}}</ref> She looks at how galaxy structure impacts the formation of stars, and how star formation drives galaxy evolution.<ref name=":1" /> She has argued for the need to evaluate the language around [[exoplanet]] ranking metrics.<ref>{{Cite journal|last=Tasker|first=Elizabeth|last2=Tan|first2=Joshua|last3=Heng|first3=Kevin|last4=Kane|first4=Stephen|last5=Spiegel|first5=David|last6=the ELSI Origins Network Planetary Diversity Workshop|last7=Brasser|first7=Ramon|last8=Casey|first8=Andrew|last9=Desch|first9=Steven|date=2017|title=The language of exoplanet ranking metrics needs to change|journal=[[Nature Astronomy]]|language=en|volume=1|issue=2|pages=0042|doi=10.1038/s41550-017-0042|issn=2397-3366|bibcode=2017NatAs...1E..42T|arxiv=1708.01363}}</ref> She joined [[Hokkaido University]] as an international tenure-track academic in 2011.<ref name=":1" /> She won the [[Hokkaido University]] President’s Award for Education in 2014, 2015 and 2016.{{cncitation needed|date=March 2019}} She was appointed to [[JAXA]], the [[Japan Aerospace Exploration Agency]], as an [[associate professor]] in 2016,<ref name=":2">{{Cite web|url=https://www.bloomsbury.com/author/elizabeth-tasker|website=bloomsbury.com|title=Elizabeth Tasker Bloomsbury profile|access-date=2019-01-19}}</ref><ref name=":3">{{Cite web|url=http://www.isas.jaxa.jp/sokendai/e/about/staff/solar_system.html|title=Faculty Staff {{!}} Solar system science|last=宇宙科学専攻|first=総合研究大学院大学 物理科学研究科|website=Department of Space and Astronautical Science, SOKENDAI|language=en|access-date=2019-01-19}}</ref> working on [[hydrodynamical]] models of star and planet formation.<ref name=":3" /><ref>{{Cite web|url=http://www.isas.jaxa.jp/about/researchers/tasker_elizabeth.html|title=タスカー エリザベス {{!}} 研究教育職員|website=宇宙科学研究所|language=ja|access-date=2019-01-19}}</ref>
=== Science communication ===
Tasker is also a popular science writer. In 1999 she won ''[[The Daily Telegraph]]'' Young Science Writers Award.<ref name=":2" /> She has written for ''[[Scientific American]]'', ''[[How It Works (magazine)|How It Works]]'', [[Space.com]], ''[[The Conversation (website)|The Conversation]]'' and ''[[Astronomy (magazine)|Astronomy]]''.<ref>{{Cite web|url=https://www.space.com/32441-how-would-hitomi-loss-would-hurt-science.html|title=If Hitomi is Lost, What Science is Lost With It? (Op-Ed)|last=April 1|first=Elizabeth Tasker {{!}}|last2=ET|first2=2016 08:00am|website=Space.com|access-date=2019-01-19}}</ref><ref>{{Cite web|url=https://blogs.scientificamerican.com/observations/lets-lose-the-term-habitable-zone-for-exoplanets/|title=Let's Lose the Term "Habitable Zone" for Exoplanets|last=Tasker|first=Elizabeth|website=Scientific American Blog Network|language=en|access-date=2019-01-19}}</ref><ref>{{Cite web|url=https://www.scientificamerican.com/article/surprising-new-finds-from-ancient-egyptian-star-charts-slide-show1/|title=Surprising New Finds from Ancient Egyptian Star Charts [Slide Show]|last=Gorman|first=Christine|website=Scientific American|language=en|access-date=2019-01-19}}</ref><ref>{{Cite web|url=https://theconversation.com/profiles/elizabeth-tasker-102945|title=Elizabeth Tasker|website=The Conversation|language=en|access-date=2019-01-19}}</ref> She has presented popular science lectures at the ''Communicating Astronomy with the Public'' conference, the [[Royal Institution]] and [[American Museum of Natural History]].<ref>{{Cite web|url=https://www.communicatingastronomy.org/wp-content/uploads/2018/03/CAP2018_Program.pdf|title=Communicating Astronomy with the Public 2018|website=CAP|access-date=2019-01-19}}</ref><ref>{{Cite web|url=https://astrophiz.wordpress.com/2017/03/27/astrophiz-30-dr-elizabeth-tasker-debunks-earth2-0-in-trappist-1-dr-ian-musgrave-whats-up-doc/|title=Astrophiz 30: Dr Elizabeth Tasker debunks 'Earth2.0' in Trappist-1 system + Dr Ian Musgrave 'What's Up Doc?'|last=O'brien|first=Brendan|date=2017-03-26|website=Astrophiz|language=en|access-date=2019-01-19}}</ref><ref>{{Cite web|url=http://www.rigb.org/whats-on/events-2018/july/public-a-planet-not-our-own|title=A planet not our own|website=rigb.org|language=en|access-date=2019-01-19}}</ref> In 2015, Tasker presented ''How Did We Begin'' at [[TED (conference)|TED]]x [[Hokkaido University]].<ref>{{Citation|last=TEDx Talks|title=How Did We Begin? {{!}} Elizabeth Tasker {{!}} TEDxHokkaidoU|url=https://www.youtube.com/watch?v=B9BxKIxkiAI&feature=youtu.be|access-date=2019-01-19}}</ref> She has spoken about the work of the [[Earth-Life Science Institute]] to the general public.<ref>{{Citation|last=NASA Astrobiology|title=Space Dust to Sentience: Dr. Elizabeth Tasker|url=https://www.youtube.com/watch?v=Gub4fCdwQO4|access-date=2019-01-19}}</ref>
