Space

Video: A View Of A Breathing Earth

In this visualization, based on data collected by scientists, we see Earth changing — its plants, surface winds, and sea currents responding to the energy coming from the sun, says Marcelo Gleiser.

On The Alien Question: Where Are They?

The great physicist Enrico Fermi asked this question in the 1950s. There are more than 50 possible "solutions" to Fermi's Paradox: Here, astrophysicist Marcelo Gleiser explores a few.

iPTF14hls: The Star That Won't Die

NPR's Lulu Garcia-Navarro talks with Iair Arcavi, postdoctoral fellow in astrophysics at UC Santa Barbara, about the strange behavior of supernova iPTF14hls. This star doesn't seem to want to die.