From 1982 to 1985 he studied as a postgraduate student (full-time) at the department of New and Modern History of European and American countries, at Baku State University.
Musa Gasimli has worked in the archives and published many valuable articles in Azerbaijan, Russia, Turkey, United States, Georgia, UN in Austria, OSCE in the Czech Republic and the UK.
The author writes that the West believes that the Cold War was started first in Europe, but in fact the crisis emerged from Iranian Azerbaijan.
Musa Gasimli denotes in his article: “...for many years in non-scientific theses, the concept that the US and other Western countries were guilty for the Cold War dominated”.
The issue of Azerbaijan became one of the most controversial in the field of international relations and was the first seed into the cold war after the former British Prime Minister Winston Churchill’s speech in Fulton in March 1945 (page 24-25).
Later, other Azerbaijani historians under Musa Gasimli’s supervision conducted research on this issue and developed the concept of the start of the Cold war crisis in Iranian Azerbaijan.
Also, Professor Musa Gasimli researched the diplomatic and political relations of Azerbaijan with other countries, including Turkey, and the period of Bolshevik occupation until the establishment of the Soviet Union.
The author researched the means of Bolshevik Russia that put an end to Azerbaijan's foreign policy and closed representative offices.
Professor Musa Gasimli for the first time in his country studied the policy of great powers towards Azerbaijan during World War I.
The professor also published a monograph based on the most reliable materials and archives related to the period starting from the decree of the Russian Emperor Peter the Great, until Armenian SSR in 1920, regarding the placement of Armenians in Azerbaijani territories, the capture of land, creation of armed gangs, as well as large-scale massacres of civil Muslim and Turkish populations.
[4] 14 large scale monographs and also about 82 scientific articles involving subjects which had never before been researched in Azerbaijani history until that time were published in the US, Argentina, Turkey, Great Britain, Germany, Russia, Ukraine, Poland, Romania, Kazakhstan, Macedonia, Moldova, Georgia, Iran, Cyprus, Czech Republic and other countries in English, Spanish, Turkish, Russian, Ukrainian, Polish, Persian and other languages.
Many scientists from the United States, Russia, Turkey, Ukraine, Georgia, Iraq, Poland, and Romania have relied on his works in their articles.
From 1985 to 2015 he represented Azerbaijani history at more than 50 international conferences held in Orlando, San Francisco, Los Angeles (USA), Plovdiv (Bulgaria), Kraków, Warsaw (Poland), Bilkent, Istanbul, Ankara, Elazig, Erzurum, Igdir, Ardahan, Trabzon, Izmir, Edirne, Bandirma, Eskisehir, Ushak, Bitlis, Malatya, Kayseri, Kahramanmarash, Giresun, Bayburt (Turkey), Moscow, Yekaterinburg, Nizhny Novgorod (Russia), Tbilisi, Batumi (Georgia), Gazimagosa, Nicosia, Girne (Cyprus), Tehran, Tabriz (Iran), Vilnius (Lithuania), Odesa, Kyiv (Ukraine), Turkistan (Kazakhstan), Tallinn (Estonia), Amsterdam (Holland), Frankfurt, Cologne, Berlin, Dortmund, Bielefeld, Hamburg (Germany), Skopje (Macedonia), Vienna (Austria) and Budapest (Hungary).