Study confirms link between salmon migration and magnetic field

Chinook salmon use the Earth's magnetic field to orient themselves to their river of origin, a new study found, explaining how the fish navigation thousands of miles of open ocean.

War on lionfish shows first promise of success

Manual removal of invasive lionfish from some reefs shows promise in allowing the comeback of native fish populations in the Atlantic Ocean.

Amber fossil reveals ancient reproduction in flowering plants

Researchers have discovered an ancient flowering plant preserved in amber, the oldest known fossil specimen of sexual reproduction in plants.

Urban areas tough on fish - but Portland leads way on mitigation

The restoration of Northwest salmon and steelhead has focused largely on rural areas, but researchers increasingly are looking at the impact of urban areas on the well-being of fish.

2013 Weather Roundup: Wettest September doesn't offset dry year

The wettest September on record didn't make up for a dry year in Oregon - especially in the southern part of the state, which was historically dry.

Coastal survey: Oregon beaches see more short-term erosion

A new assessment of shoreline change along the Pacific Northwest coast found that many Oregon beaches have experienced an increase in erosion hazards in recent decades.

Scientists calculate friction of Japan's 9.0 earthquake in 2011

For the first time, scientists have been able to use precise temperature measurements to calculate the friction dynamics of fault slip, measuring the energy produced during the 2011 Japanese earthquake.

New study identifies five distinct humpback populations in North Pacific

A new study of humpback whales in the North Pacific has identified five distinct populations – while a proposal to designate humpbacks as a single “distinct population” is being considered.

Large study shows pollution impact on coral reefs - and offers solution

A long-term experiment has confirmed that nutrient pollution can cause diseases in coral reefs - but also that the corals can recover once the pollution is stopped.

Pre-industrial rise in methane gas had natural and anthropogenic causes

A new study published this week in Science suggests that the pre-industrial rise in atmospheric methane had both human and natural causes.