Researchers discovered goldfish weighing 4 pounds in the waterways of Western Australia. (Murdoch University) We know invasive species can be a real issue for local ecosystems, but did you ever think that one of the most common pets across North America could be the culprit? Your goldfish might be tiny, but a recent study shows that given the opportunity, Goldie can grow to be the size of a football. If you've ever thought about putting your goldfish back in its...

At a Glance A concentration of methane hanging over the Four Corners region may be mostly made up of natural gas leaks.Researchers discovered that as much of two-thirds of the methane could be coming from only about 25 locations. A puzzling concentration of methane over the Southwestern United States appears to come mostly from leaks in natural gas production, scientists say. In a new study, researchers have identified more than 250 sources of a methane hot spot over the Four...

At a Glance Unofficial ballot results suggest residents of the small Alaskan village of Shishmaref would prefer to relocate. The community has been identified as one of Alaska's most eroded and has lost at least two homes as the shoreline is eaten away.Funding has been increasingly difficult for the village to obtain. As erosion continues to eat away at the small Alaskan village of Shishmaref, unofficial results from a ballot suggest that a majority of those in the community has...