Updates on the Hunt for Dark Matter | SciShow Space News

The hunt for dark matter is still on, and the candidates for it could be primordial black holes as massive as Earth, or axions, as tiny as the smallest subatomic particles in existence!

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Sources:

https://press.nature.com/wp-content/uploads/files/2019/03/41550_2019_723_OnlinePDF_4.pdf
https://www.eurekalert.org/pub_releases/2019-03/miot-dme032819.php
https://www.eurekalert.org/pub_releases/2019-03/miop-pcd032719.php
https://iopscience.iop.org/article/10.1088/1475-7516/2019/02/059/pdf
https://journals.aps.org/prl/pdf/10.1103/PhysRevLett.122.121802

https://physicsworld.com/a/supernovae-reveal-that-primordial-black-holes-cannot-account-for-all-dark-matter/
http://www.astro.caltech.edu/~george/ay20/eaa-wimps-machos.pdf
https://academic.oup.com/mnras/article/152/1/75/2604549
https://science.nasa.gov/astrophysics/focus-areas/what-is-dark-energy

Images:

https://svs.gsfc.nasa.gov/12307
https://svs.gsfc.nasa.gov/10253
https://www.nasa.gov/feature/goddard/2016/nasa-scientist-suggests-possible-link-between-primordial-black-holes-and-dark-matter
https://en.wikipedia.org/wiki/File:Artist%E2%80%99s_impression_of_the_expected_dark_matter_distribution_around_the_Milky_Way.ogv
https://www.nasa.gov/image-feature/illustration-of-cool-dust-around-an-active-black-hole
http://hubblesite.org/video/312/news_release/2003-01
https://svs.gsfc.nasa.gov/12317
https://svs.gsfc.nasa.gov/11130