Authorities have confirmed the presence of starry stonewort, a type of invasive algae, in two Minnesota lakes. The algae is among a number of invasive species that conservationists say pose a threat to US waters.
A federal judge issued a temporary injunction blocking the Environmental Protection Agency from enforcing a new rule, just one day before the rule was set to take effect.
President Obama's decision to officially rename Alaska's highest peak Denali has drawn criticism from some unlikely places.
A new generation of super cells promises to reshape the future of energy.
A number of shark attack victims are shunning fear and the urge for revenge in favor of understanding and conservation.
Concentrations of mercury and selenium in Colorado River food webs of the Grand Canyon National Park regularly exceeded risk thresholds for fish and wildlife, a recent study showed.
A UN-backed carbon offsetting program enriched Russian and Ukrainian companies but made climate change worse, according to a new study.
The National Oceanic and Atmospheric Administration says that the deaths may be linked to a toxic algae bloom in the Pacific Ocean, which first appeared in May.
The chunk of ice lost from the edge of Greenland's Jakobshavn glacier is nearly five square miles in area, which might be the biggest calving event on record.
A research expedition returned to San Francisco Sunday from a month-long reconnaissance mission that is part of a major effort to clean up the Great Pacific Garbage Patch.
Danny is the first hurricane of the 2015 Atlantic Season, but calm storms seasons do sometimes include a major tempest.