Scientists have long relied on tree rings to learn about ancient solar storms—rare bursts of high-energy particles from the ...

California couple Joe and Gina Mistretta bought their potted potted Scotch pine 34 years ago and have used it ever since Charlotte Phillipp is a Weekend Writer-Reporter at PEOPLE. She has been working ...

Orange County couple Joe and Gina Mistretta bought their potted potted Scotch pine 34 years ago and have used it ever since The tree has seen the deaths of grandparents, the birth of children and more ...

In a scene that feels more like a midnight vigil than a routine inspection, NASA engineers and scientists gathered in near darkness inside a pristine cleanroom. Armed with flashlights and ultraviolet ...

Christmas tree up—check! Halls decked—check! Okay, but when does this all come down? Just like the date you decorate for Christmas, what time you take down your tree and other festive trimmings is, ...

The time is ripe to end the “Wolf Amendment,” a congressional bar inhibiting civil collaboration between the United States and China in space. The impetus for the law was noble — an attempt to ...

Fragments of energy may be the fundamental building blocks of the universe. The theory combines the ideas of particles and waves into a concentration of energy that flows throughout space and time.

Cutting trees is not allowed on state lands. For federal lands, regulations vary. Each agency has limits on the number of trees per household, designated areas to cut, the trees that can be harvested, ...