Spring is here: NOAA satellite animation captures vernal equinox

Spring has officially arrived in the Northern Hemisphere, while the Southern Hemisphere is embracing autumn. The start of astronomical spring, known as the vernal equinox, occurred yesterday, March 19, 2024, at 11:06 p.m. ...

New England stone walls deserve a science of their own

The abandoned fieldstone walls of New England are every bit as iconic to the region as lobster pots, town greens, sap buckets and fall foliage. They seem to be everywhere—a latticework of dry, lichen-crusted stone ridges ...

Study looks at summer solstice effect on leaf senescence

In a warming climate, spring keeps getting earlier. But the timing of leaf fall in autumn has been more of a mystery. For the first time, a study by researchers including biologist Susanne Renner in Arts & Sciences at Washington ...

page 1 from 3