Coronae glow on the tips of spruce needles, induced by charged metal plates in a laboratory. (William Brune) For the first ...

The autumnal equinox, which marks the transition between summer and fall, has passed. So, it makes sense to see tree leaves turning glorious fall colors. A lesser-known secret about trees is that a ...

News organizations may use or redistribute this image, with proper attribution, as part of news coverage of this paper only. Relationships between tree diversity and species richness of herbivores (a) ...

What’s going on out there — and why? Some version of that is the perennial question on any inquisitive gardener’s mind. Fall provides plenty of dramatic subject matter along those lines, beyond the ...

Getting your Trinity Audio player ready... Winter will be here soon enough, but enjoy those gorgeous fall leaf colors along the Front Range before any snowflakes arrive. Reach back and recall your ...