Does every society have a use-by date? The fact that we're not bumping into Aztecs or Byzantines around the place does suggest that they all end at some point. States can slowly decline and fade, or morph into new entities, while a few simply collapse in ...

Five conditions determine whether revolutions succeed. For the first time since 1979, Iran meets nearly all of them.

The Atlantic Meridional Overturning Circulation (AMOC) is the system of currents responsible for shuttling warm water northward and colder, denser water to the south. This "conveyor belt" process helps redistribute heat,

Coral Reefs Have Already Crossed the Line The planet has already reached its first climate tipping point with widespread coral reef die-off marking a grim milestone, according to over 160 scientists working on the Global Tipping Points Report 2025.

Work is underway to repair part of a ground-level parking garage on Milwaukee's east side that collapsed on Jan. 7.

Decomposition is essential to all ecosystems, both on land and in the ocean. In marine environments, decomposition and nutrient recycling keep food webs functioning, prevent the buildup of organic waste,

From Venezuela to Minneapolis, the rapid rollout of deepfakes around major news events is stirring confusion and suspicion about real news.

Venezuela could lose the bulk of its oil export revenues this year if the U.S. blockade stays in place, according to internal government estimates, a scenario that would set off a humanitarian crisis.