Across the United States, anglers and scientists are noticing the same unsettling pattern: familiar fish are coming out of the water smaller than they used to be. What looks like a subtle change in ...

Scientists say the Moon is slowly shrinking as its interior cools and contracts. While it is not disappearing, researchers ...

WASHINGTON (AP) — Billions fewer birds are flying through North American skies than decades ago and their population is ...

Scientists have mapped thousands of young tectonic ridges across the Moon, showing it is still slowly shrinking. These ridges may mark previously unknown sources of moonquakes.

There's a silent change taking place beneath the surface of many lakes in the United States. New generations of fish are growing smaller and weaker than their ancestors. Scientists claim this is a ...