Complex sentence: In 1995, the United States federal government ceased funding to SETI projects, forcing them to turn to private funding to continue the search, though in recent years government funding of SETI has resumed at modest levels.
Split into simpler sentences: In 1995, the United States federal government ceased funding to SETI projects, forcing them to turn to private funding to continue the search. In recent years, government funding of SETI has resumed at modest levels.