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** [[Google]] announces the creation of "Bristlecone", the world's most advanced [[quantum computer]] chip, featuring 72 [[qubits]].<ref>{{cite web|url=https://www.technologyreview.com/the-download/610423/google-has-built-the-worlds-most-advanced-quantum-chip/|title=Google has built the world's most advanced quantum chip|date=6 March 2018|website=Technology Review|access-date=6 March 2018}}</ref><ref>{{cite web|url=https://research.googleblog.com/2018/03/a-preview-of-bristlecone-googles-new.html|title=A Preview of Bristlecone, Google's New Quantum Processor |date=5 March 2018|website=Google|access-date=6 March 2018}}</ref>
[[File:Iceviistructure-ru.gif|thumb|right|200px|8 March: First detection of natural [[Ice VII]] (see structure above) on Earth.<ref name="SCI-20180308" /><ref name="LAT-20180309" />]]
*8 March – Scientists report the first detection of natural [[ice VII]] on Earth, previously it was only produced artificially. It may be common on the moons [[Enceladus]], [[Europa (moon)|Europa]] and [[Titan (moon)|Titan]].<ref name="SCI-20180308">{{cite journal |last=Perkins |first=Sid |title=Pockets of water may lay deep below Earth's surface |url=http://www.sciencemag.org/news/2018/03/pockets-water-may-lay-deep-below-earth-s-surface |date=8 March 2018 |journal=[[Science (journal)|Science]] |doi=10.1126/science.aat5630 |doi-broken-date=3128 OctoberFebruary 20212022 |access-date=9 March 2018 }}</ref><ref name="LAT-20180309">{{cite news |last=Netburn |first=Deborah |title=What scientists found trapped in a diamond: a type of ice not known on Earth |url=http://www.latimes.com/science/sciencenow/la-sci-sn-water-in-diamonds-20180308-story.html |date=9 March 2018 |work=[[Los Angeles Times]] |access-date=9 March 2018 }}</ref>
*9 March – NASA medical researchers report that [[human spaceflight]] may alter [[gene expression]] in [[astronaut]]s, based on [[twin studies]] where one astronaut twin, [[Scott Kelly (astronaut)|Scott Kelly]], spent nearly one year in space while the other, [[Mark Kelly]], remained on Earth.<ref name="TT-20180309">{{cite news |last=Hermitanio |first=Maui |title=Twins Study Update: NASA Astronaut Scott Kelly's DNA Altered In Space |url=http://www.techtimes.com/articles/222657/20180309/twins-study-update-nasa-astronaut-scott-kellys-dna-altered-after-one-year-in-space.htm |date=9 March 2018 |work=TechTimes.com |access-date=9 March 2018 }}</ref><ref name="GK-20180311">{{cite web |last=Mlot |first=Stephanie |title=Astronaut Scott Kelly's DNA Changed in Space |url=https://www.geek.com/science/astronaut-scott-kellys-dna-changed-in-space-1733389/ |date=11 March 2018 |website=[[Geek.com]] |access-date=12 March 2018 |archive-date=13 March 2018 |archive-url=https://web.archive.org/web/20180313093627/https://www.geek.com/science/astronaut-scott-kellys-dna-changed-in-space-1733389/ |url-status=dead }}</ref><ref name="NASA-20180131">{{cite web |last1=Edwards |first1=Monica |last2=Abadie |first2=Laurie |title=NASA Twins Study Confirms Preliminary Findings |url=https://www.nasa.gov/feature/nasa-twins-study-confirms-preliminary-findings |date=31 January 2018 |website=[[NASA]] |access-date=9 March 2018 }}</ref>
*13 March – Scientists report that ''[[Archaeopteryx]]'', a [[Prehistory|prehistoric]] [[feathered dinosaur]], was likely capable of [[Bird flight|flight]], but in a manner substantially different from that of [[Birds|modern birds]].<ref name="NAT-20180313">{{cite journal |author=Voeten, Dennis F.A.E. |display-authors=etal |title=Wing bone geometry reveals active flight in Archaeopteryx |date=13 March 2018 |journal=[[Nature Communications]] |volume=9 |page=923 |number=923 |doi=10.1038/s41467-018-03296-8 |pmid=29535376 |pmc=5849612 |bibcode=2018NatCo...9..923V }}</ref><ref name="WP-20180313">{{cite news |last=Guarino |first=Ben |title=This feathery dinosaur probably flew, but not like any bird you know |url=https://www.washingtonpost.com/news/speaking-of-science/wp/2018/03/13/this-feathery-dinosaur-probably-flew-but-not-like-any-bird-you-know/ |date=13 March 2018 |newspaper=[[The Washington Post]] |access-date=13 March 2018 }}</ref>
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*26 November &ndash; [[NASA]] reports that the [[InSight|InSight Lander]] landed successfully on the planet [[Mars]]. Two touch down images are received. Also, from additional received transmissions, the [https://www.youtube.com/watch?v=ZK5bOZx2xXs sounds of the winds on Mars] can be heard - for the first time.<ref name="NYT-20181126">{{cite news |last=Chang |first=Kenneth |title=NASA's Mars InSight Mission Lands on Red Planet's Surface - In the months ahead, the spacecraft will begin its study of the Martian underworld, listening for marsquakes and revealing secrets about the dusty world's formation. |url=https://www.nytimes.com/2018/11/26/science/nasa-insight-mars-landing.html |date=26 November 2018 |work=[[The New York Times]] |access-date=26 November 2018 }}</ref>
*27 November &ndash; Researchers at the University of Southern California publish details of a [[freeze-dried]] [[polio vaccine]] that does not require refrigeration.<ref>{{cite news |title=Freeze-dried polio vaccine could spell end of disease |url=https://www.eurekalert.org/pub_releases/2018-11/uosc-fpv112018.php |date=27 November 2018 |work=EurekAlert! |access-date=27 November 2018 }}</ref>
*30 November &ndash; Astronomers report that the [[extragalactic background light]] (EBL), the total amount of light that has ever been released by all the stars in the [[observable universe]], amounts to 4 × 10<sup>84</sup> [[photon]]s.<ref name="NYT-20181203">{{cite news |last=Overbye |first=Dennis |author-link=Dennis Overbye |title=All the Light There Is to See? 4 x 10<sup>84</sup> Photons |url=https://www.nytimes.com/2018/12/03/science/space-stars-photons-light.html |date=3 December 2018 |work=[[The New York Times]] |access-date=4 December 2018 }}</ref><ref name="SCI-20181130">{{cite journal |author=The Fermi-LAT Collaboration |title=A gamma-ray determination of the Universe's star formation history |date=30 November 2018 |journal=[[Science (journal)|Science]] |volume=362 |issue=6418 |pages=1031–1034 |doi=10.1126/science.aat8123 |pmid=30498122 |arxiv=1812.01031 |bibcode=2018Sci...362.1031F |s2cid=54167201 }}</ref>
 
=== December ===