Social media posts warning of "exploding trees" in subzero temperatures are mischaracterizing a phenomenon known as frost cracks. Frost cracks form when water inside trees freezes and expands. As a ...

The basics of photosynthesis are something that every student learns in school: carbon dioxide, water and light in; oxygen and sugar for growth out. In a world where atmospheric carbon dioxide levels ...

The mechanics of how water and carbon dioxide move in and out of plants greatly affects how trees grow in a carbon-dioxide-enriched environments. The basics of photosynthesis are something that every ...

New York does the holidays like it means it, and its historic hotels turn the dial to full sparkle. You get grand lobbies, towering trees, and garlands that could moonlight as runway fashion. There is ...

Right about now, households across Britain are trimming their Christmas trees. It's one of the season's simplest pleasures to be had at home: pour a festive tipple, queue up some holiday tunes and ...

Humans have always wondered where they came from. Fossils hold clues, and scientists search for them carefully. Each discovery reshapes what we know about evolution. Ardi lived long before “Lucy” and ...

The U.S government’s debt hit $37.6 trillion on Sept. 30, the end of the most recent fiscal year. To put that number in perspective, a stack of $1 bills in that amount would be 2.5 million miles tall.