In this aerial view, the shuttered Three Mile Island nuclear power plant stands in the middle of the Susquehanna River on Oct ...

While government, energy, tech and banking leaders held a summit, protestors warned of worsening climate pollution and a ...

Boaters are flocking to Long Level Marina for Fourth of July festivities, eager to enjoy the Susquehanna River after a difficult start to the season.

A month-long water sample analysis of some 20 public access points to the Susquehanna River has found high levels of E. coli, prompting one river expert to issue warnings against swimming or fishing.

The Veterans Memorial Bridge connecting Lancaster and York counties is going dark as thousands of mayflies begin their annual hatching season on the Susquehanna River.

The oldest known boomerang from Australia dates to about 10,500 years ago, made from wood. But the oldest images of boomerangs in Australia are rock art paintings 20,000 years old, according to ...

The body of a man found in the Susquehanna River on Saturday in Manor Township has been identified as a Harrisburg resident.

To make a truly realistic fake picture of a galaxy, you can model exactly how light particles travel through the atmosphere and telescope to reach its sensor.

The first test images from the Vera C. Rubin Observatory in Chile showcase thousands of previously unknown asteroids and millions of glittering galaxies.

The first spectacular images taken by the Vera C. Rubin Observatory have been released for the world to peruse: a panoply of iridescent galaxies and shimmering nebulas.

(WHTM) — Authorities have identified the body found in the Susquehanna River Saturday afternoon as a missing Harrisburg man. Manor Township Police and numerous fire department marine units we… ...

Astronomy fans can zoom in practically forever into the stunning first images from the Vera C. Rubin Observatory ...