Continents were once thought to be static, locked tight in their positions in Earth's crust. Similarities between distant coastlines, such as those on opposite sides of the Atlantic, were thought to be the work of a...
Scientists have been looking for extra-solar planets for decades, but only recently, with better equipment and improved techniques, have they finally unveiled new and unusual planets. Since 1995, over 155 planets have...
Of the 100 billion or more galaxies visible through existing telescopes, most are either spiral or elliptical in shape and about one-fourth are irregular in shape. In addition to their shape, star systems can be further...
This NOVA television broadcast discusses black holes and presents new research indicating that a supermassive black hole may lurk at the center of our own galaxy. Features include interviews with researchers who explain...
Black holes are some of the strangest objects in the universe. While the physics of these objects is not understood, and they cannot be seen directly, indirect observations have revealed for certain that black holes do...
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