August 22, 2017, 8:51 a.m.
Crown shyness, or tree canopy shyness, is when tree canopies don't touch, creating stark outlines between the treetops.
August 21, 2017, 4:03 p.m.
The Great American Eclipse of 2017 made for some (unsurprisingly) great photo moments.
August 14, 2017, 1:55 p.m.
A new book from photographer Robert Llewellyn and scientist Joan Maloof encourages readers to study the forest, not just look at it.
August 11, 2017, 8:51 a.m.
More than 450 balloons floated in a line at the same time during the 'Mondial Air Ballons' festival in Chambley-Bussieres.
August 2, 2017, 3:05 p.m.
The year's top shots show the power of nature, the beauty of cities and the strength of humanity.
August 1, 2017, 12:36 p.m.
Hundreds of artists from 30 countries descend on Bristol, England, to showcase their talents at the annual paint festival.