This study examined 77 minor quakes near the Ohio-Pennsylvania border.
Brazilian President Dilma Rousseff says she's serious about confronting climate change, but then why did she appoint denier Aldo Rebelo?
Watch Brooklyn band Woods perform an exclusive, intimate rendition of their song "It Ain't Easy," at Pickathon 2014.
You thought fuel cell vehicles were dead? So did we.
It took more than two years, but the ocean-borne radiation from the Fukushima Daiichi plant is finally detectable on U.S. shores.
The controversial, costly rail project is going to happen for sure. Politicians should stop trying to sabotage it and work on getting it right.
A few Republicans and conservative groups are calling for a hike in the tax to pay for roads and other transportation infrastructure.
Michael Grimm was one of a precious few Republican politicians who actually accepted the science of climate change.
Surprise! This pesticide is nastier than we thought, says the EPA.