Tidewater glaciers are very large rivers of ice that flow into the sea. These glaciers sizzle and hiss as the slow-moving ice thaws in the seawater, sounding like food sizzling in a frying pan. These ...

Theories about the sound's origins included an undiscovered sea creature. By 2011, NOAA scientists concluded the sound was the cracking of an ice shelf during an icequake. In the summer of 1997, ...

Crackling sounds in your nose may result from several conditions involving your sinuses. Treating the underlying cause can clear your sinuses and eliminate the cracking sounds. You may be concerned if ...