This big-eyed rainforest mammal looks like a cross between a bat and a squirrel. It glides between treetops using a furry ...

The NIKKOR Z 20mm f/1.8 S is a great pick for Nikon users who want to dive into astrophotography. With its wide 20mm focal ...

Sharks can be formidable predators, but when they're flipped upside down, many species enter a trance-like state, known as ...

The best sleep trackers can help you improve your sleep quality. Here are some of our favorites, in various forms, from smartwatches to rings. When you purchase through links on our site, we may earn ...

Using data from the James Webb Space Telescope, astronomers have discovered dormant galaxies with a wide range of masses in the first billion years after the Big Bang, moving one step closer to ...

A stem-cell-based "organ-on-a-chip" model of ALS mimics early biological changes seen in the degenerative disease.

To watch on demand, you can get Shark Week content on HBO Max, ($9.99 per month), which is Discovery’s main streaming ...