Offshore Hurricane Erin was downgraded to a Category 3 storm early Sunday, as rain lashed Caribbean islands and weather ...

In San Francisco Bay, salt ponds created more than a century ago are reverting to marshland. Along the New York and New ...

Progress toward a legally binding global treaty on plastics pollution stalled and went into reverse this week. The United Nations Intergovernmental Negotiating Committee meeting in Geneva, Switzerland ...

More than one-sixth of adults around the world experience infertility in their lifetime. There is a high unmet need not only ...