Early Philadelphia streets were named after trees, later branching out to include historical figures, civil rights activists ...

What is a hermit crab? There are over 800 species of hermit crabs worldwide, and almost all are ocean dwellers—though people are likely most familiar with the dozen semi-terrestrial species ...

Timothy Cho is one of the thousands of North Korea residents to flee the country in recent years — many of whom relocate to ...

By any measure, the impact of plastic waste is reaching crisis levels, impacting our environment and personal health. Each year, 14 million tons of plastic enter our oceans, threatening marine life, ...