We’ve assembled an all-star group of ecologists, naturalists, and creative thinkers for an urgent but hopeful conversation about the environmental pressures bearing down on Earth’s rich spectrum of species.

A few decades ago, we knew of no other planets beyond those in our solar system. Today, astronomers have confirmed over 700 planets circling other suns and believe billions more lay undiscovered.

For centuries, humans believed the deep sea was lifeless, but new technologies have revealed that this previously hidden realm is home to rich ecosystems, mineral treasures, and an astounding kaleidoscope …

In March 2014, scientists working on the BICEP2 telescope at the South Pole reported an incredible discovery: a swirling pattern in the cosmic background radiation that appeared to indicate the presence of gravitational waves.

Drawing on a range of disciplines, this provocative program looked at how discoveries in areas like fundamental physics, anthropology, and genomics are influencing our understanding of uniquely human characteristics.

Black holes are gravitational behemoths that dramatically twist space and time. Recently, they’ve also pointed researchers to a remarkable proposal—that everything we see may be akin to a hologram.