To understand how the modern Universe came to be, astronomers turn to computer models, programs that follow the physical laws of the Universe. Scientists use these models to understand the formation and evolution of galaxies and quasars in the universe.
For the first time, scientists have discovered meteorites from a previously tracked asteroid in space after fragments landed in the Sudanese desert.
Recent images from NASA’s Cassini spacecraft show a luminous dot speeding within the G ring, one of the planet’s faintest, least-understood rings.
People in the eastern United States will get a great opportunity, weather permitting, to see the Space Shuttle Discovery launched into orbit Wednesday evening, March 11, 2009.