The cave was made accessible by a modern way on July 20, 1924 and electrically illuminated in 1926. In the 1931 a new entrance was driven into cave and a new portal of entry was arranged. Very undesirable influence to the cave has got the time amount of the 1939-1949 years when the cave was owned by the premonsters' order, respectively during and closely after the Second World War, when an equipment of the show cave was neglected and expressive damaged.
In 1878 J. Nyari realized an archaeological research in the cave what is oldest known us. The first systematical research of the cave accomplished by geologist and paleontologist T. Kormos in the 1916. An extensive archaeological research in the cave headed prof. J. Eisner was realized in years 1924-25. In 1955 a correction archaeological research was accomplished by V. Lozek for more exact dating. L. Olexa headed a rescue archaeological investigation in 1978 for a modification of the entrance part. A short report about results can be found on page Archaeology in the Jasovska Cave. There was realized a paleontological investigation in the cave (on picture).
The bear bones has been found often (28kB).
In 1923-24 the Jasovska Cave was explored speleologically by V. Bluma, which drawn a plan of the cave too and by J. Zikmund, which exactly surveyed the cave passages. J. Miticky and S. Furin realized next speleological exploring in cave in the 50th years. A. Droppa did a detail geomorphological research of the cave in 1962. Members of the today's Speleoclub CASSOVIA explored the cave in the 70th years (headed by M. Zacharov ). List of papers with the results of the Jasovska Cave investigation is on the page Bibliography about the Jasovska Cave.