On August 12, a remarkable event will unfold across Western Europe: a total solar eclipse. In parts of Spain, observers along the path of totality will see the Sun low near the western horizon as the ...

This hour-long program is divided into six chapters. Choose any chapter below and select QuickTime, RealVideo, or Windows Media Player to begin viewing. If you experience difficulty viewing, it may be ...

Discover how geoengineering solutions—from techniques as natural as planting trees, to vacuuming CO2 out of the air, to science-fiction alternatives like blocking sunlight—can help humanity turn the ...

Galaxies are the building blocks of the universe. Clusters of galaxies, and clusters of clusters of galaxies, called superclusters, make up the structures in the geography of the universe. In this ...

The chromatids arrive at the either end of each cell and new nuclear membranes form. With meiosis in a female, there is only one dividing cell at this point. As in telophase I, the cytoplasm of the ...

If a theory doesn’t make a testable prediction, it isn’t science. It’s a basic axiom of the scientific method, dubbed “falsifiability” by the 20th century philosopher of science Karl Popper. General ...

In the early hours of October 7, 2014, while most of America slumbered, members of the Swedish Academy of Sciences were meeting to decide to whom they should award the Nobel Prize in Physics. The ...

Receive emails about upcoming NOVA programs and related content, as well as featured reporting about current events through a science lens. The engineer whips out a protractor and straightedge. That’s ...

They haven't got no noses, The fallen sons of Eve; Even the smell of roses Is not what they supposes; But more than mind discloses And more than men believe. —from "The Song of the Quoodle," G.K.

Elephants die; we all do. In elephants and some others, it matters who has died. It’s why they are “who” animals. The crucial importance of memory, learning, and leadership in a family’s survival is ...

Farmers preparing a field for the planting season outside Wonsan, North Korea, in the shadow of a denuded hillside. Share North Korea has been hiding something. Something beyond its prison camps, its ...

Colorful miniature figurines and a surfeit of plastic packaging fill the laptop screen as Chloe Warfford, 20, watches “Halloween Shopkins Unboxing,” a video by her favorite YouTuber, Bunny Meyer. For ...