How confusing inevitability with reality built decades of paradox. What if general relativity never actually tells us that ...

A remarkably clean gravitational-wave detection has confirmed long-standing predictions about black holes, including ...

A new theory for the origins of dark matter suggests that fast-moving, neutrino-like dark particles could have decoupled from ...

New York City drivers are bracing for two weeks of congested streets as world leaders flock to the east side of Manhattan for the 79th United Nations General Assembly. The gathering runs from Tuesday, ...