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Image of the Keck observatory with a laser shining. Image of the planet Neptune without and with the adaptive optics correction.
Laser Guide Stars

Did you ever wonder why we have to have the Hubble Space Telescope so high up in the Earth's orbit? Why not just make a bigger and better telescope on the surface? ...
Collision of two gold nuclei at the RHIC accelerator. An attempt to produce quark-gluon plasma in the laboratory.
The Early Universe Soup

In the first few millionths of the second after the Big Bang, the universe looked very different than today. In fact the universe existed as a different form of matter altogether: the quark-gluon plas ...
NEAR animation of Eros
The Minor Planets

Asteroids are rocky fragments left over from the formation of the solar system about 4.6 billion years ago. Most of these fragments of ancient space rubble - sometimes referred to by scientists as min ...

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