A 2 Year Scientific Investigation into the WTC7 Building Collapse is nearing completion out of the Alaska Fairbanks University. They just presented part 1 of their results and they found that NIST was incorrect and that building 7 did not collapse due to fires:

https://steemit.com/news/@ura-soul/results-from-landmark-independent-scientific-analysis-of-the-collapse-of-world-trade-center-7-911-are-partially-released