Scientists are investigating the reasons some plants still wear last season’s tattered clothes.

An arctic blast has sent cold air across the United States, causing trees to break suddenly in what looks like an explosion.

Social media posts warned of "exploding trees" when temperatures drop to 20 degrees below zero.

With severe cold hitting much of the country, some unusual phenomena like "exploding trees" could be on the way. Here's what to know.

There are thousands of species of lichens that grow in many different forms. Some are flat and crusty, some have leaflike structures that protrude outward and some have hairy filaments. While most ...

Winter is beautiful in its own pale ways, but when lush, leafy trees suddenly stand bare and stark against gray skies, an ...

Most trees are dormant through the winter's coldest months.