The 3-body problem looks simple: three objects, one gravitational system. But it reveals something shocking — even basic gravity can become unpredictable, chaotic, and impossible to solve perfectly.

The rationale behind Golden Dome’s mandate for space-based boost-phase defense made some sense. If orbiting interceptors could hit an enemy missile very early in flight—before it could deploy ...

Higher education is under stress. The highest-profile threat has been the Trump administration’s efforts to cut funding to several universities, including Harvard, Columbia and Northwestern. Research ...