Scientists are uncovering new clues that a cosmic explosion may have rocked Earth at the end of the last ice age. At major Clovis-era sites, researchers found shocked quartz—evidence of intense heat ...

(CNN) — John Seiler was strolling across Virginia Tech’s campus with his students Thursday morning when something stopped them in their tracks: a sweet cherry tree with an unusual jagged scar running ...

Online rumors claim extreme cold causes trees to explode, but experts say the truth is less dramatic. Freezing temperatures cause sap and moisture to contract, creating "cracking" sounds without the ...

Experts say trees do not explode but can crack loudly due to rapid temperature changes. This phenomenon, known as "frost cracking," occurs when tree sap freezes and expands. Young trees, thin-barked ...