Governments can make it harder to get around internet restrictions, but eliminating the workarounds is another matter entirely.
New research shows that the ocean's freshwater engine is growing saltier, with global consequences.
This finding underscores the incredible, planet-altering power of greenhouse gas emissions.
A warm period 6,000 years ago provides clues to better forecast the Arctic's future.
A new model suggests the Thwaites Glacier could contribute twice as much sea-level rise.
The open-water hole stretched across 34,400 square miles, or roughly the size of Portugal.