There's a new study of Earth's marine life that suggests the ocean has gotten alarmingly roomy. To put a finer point on it, there are half as many fish in the sea today as there were in 1970 ...

No ocean for old fish There are not just fewer fish in the sea: there are disproportionately fewer old fish. A study of fisheries in the seas around the US and Europe has found that their ...

There are plenty of fish in the sea, as the saying goes. But how many? New research suggests that our previous estimates of fish abundance were off by a factor of at least 10.