Two beaches in Southern California have been inundated by hundreds of bright red and orange crabs, in what experts believe is an event linked to El Niño.
Improving air quality for low-income nations would not only improve public health for millions of people, but would also help alleviate global greenhouse gas woes.
A new study aims to disprove the often-cited conservation logic that allowing hunting of large carnivores discourages poaching.
The Golden State is contemplating whether to end or extend water conservation efforts after a wet winter helped ease drought conditions.
The future is bleak for Earth's plants, according to a global assessment of plant life. But successes seen in forest conservation lend hope.
State wildlife officials in Montana released draft regulations Wednesday that would establish two hunting seasons near Yellowstone National Park as federal officials move closer to removing grizzly bears from the list of endangered species.
The National Earthquake Conference has issued a warning about a quake along the southern San Andreas fault. But with California more prepared than ever, should our focus lie elsewhere?
A federal judge in Oregon has decried the US government's efforts over the past two decades to ameliorate the impact of four dams on endangered fish populations, demanding a fresh approach.