Meteorite specialist Dr. Denton Ebel talks asteroids bigger than Everest, glass mini-marbles raining from the sky, and dinosaur toast.
The Sloan Telescope has a digital camera the size of a dishwasher that’s sophisticated enough to capture every luminous object in the northern celestial hemisphere. Take a closer look.
Have you ever stumbled upon a discovery while looking for something completely different? See what surprises astronomers found as part of the Sloan Digital Sky Survey.
This interactive explains how astronomers measure the properties of light from faraway space objects to calculate their distance from Earth. Users click through a series of pages that explain the concepts step-by-step with illustrations and animations.
What is the Universe’s arrangement today? What did it look like at its birth? And how did we get from then to now? These are just some of the “Big Questions” astronomers are making headway answering.
On cloudless, moonless nights, the stars are so bright over the remote village of Sutherland, South Africa, that a person can walk by starlight alone. Learn more about the village’s Southern African Large Telescope (SALT).
Scientists have been studying brown dwarfs, or failed stars, for nearly a century. What have they learned? And what answers are they still seeking about these objects stuck somewhere between stars and planets?
The lemurs of Madagascar, the most diverse group of primates in the world, had even more members in their ranks before humans first arrived on the island two millennia ago — 16 of the perhaps 70 species aren’t around anymore.
Discover how scientists are now marrying traditional fieldwork with cutting-edge computer modeling to produce the first animated, theoretical picture of the Basin and Range Province's geological evolution.
In 1669, the fastest and largest lava flow documented for Mount Etna on the island of Sicily killed most of Catania's 20,000 residents and destroyed much of the city. Why are scientists now watching Etna more than any other volcano in Europe? Find out.