Doug’s heart pounded when he realized what was happening. Then instinct took over. Doug kept taking pictures, at a shutter speed of one eight-thousandth of a second, capturing an image that ...

If you’re a female moth, finding the best plant to host your young may be as simple as taking a close listen. When low on water, some plants make high-pitched clicking noises, inaudible to humans.

The poet left a long visual record of a career in the public sphere. The poet left a long visual record of a career in the public sphere. Nikki Giovanni around 1968.Credit...Pictorial Parade/Getty ...

that it is often referred to as the 'valium of the nineteenth century', although it has been well used for over 1,000 years by ancient herbalists. Today, it is a popular herbal remedy for insomnia ...