Piscataqua River

Geno Marconi has led the Port Authority for more than two decades, but he was recently placed on administrative leave, with no explanation provided.

A new system will alert motorists when travel on the I-95 shoulder is permitted, including on the bridge that spans the Piscataqua River between Portsmouth, NH, and Kittery, Maine.

Estuaries are a vital ecosystem that contributes to the state’s culture, economy, and environment. But problems brought on by climate change, such as warming water and sea level rise, have harmed this ecosystem, which is also degrading because of development and water contamination from runoff, septic systems, and wastewater treatment.

The boat, operated by Captain Bob Gibbons, siphons sewage from pleasure boats to keep Seacoast waters clean.

State transportation officials are considering a plan to open the shoulders on the I-95 Bridge between Portsmouth and Maine for travel during peak…

The Piscataqua River will be dyed red Monday night as Portsmouth studies how wastewater from a local treatment plant would affect shellfish harvesting.The…

A boat crash in New Hampshire has left two people dead and two others injured.State Police Marine Patrol says the accident happened Saturday night on the…

More than 100 responders from dozens of state, federal and local agencies were busy in Portsmouth Thursday, practicing their response to a hypothetical…

A former manager of a scrap metal business in New Hampshire who admitted to dumping contaminated water into the Piscataqua River will be on federal…

The US Coast guard says so far it seems that a small oil spill near the mouth of the Piscataqua River has been totally cleaned up before it could reach…