Space Exploration
Lunar Reconnaissance Orbiter
NASA's Lunar Reconnaissance Orbiter will send back unprecedented information about our closest …
Plankton Imaging
Satellite instruments can measure the health of the ocean's tiny - but vital - phytoplankton.
Extreme Spacecraft Roundup
NASA unveils new spacecraft, large and small.
Mercury’s Surface
The MESSENGER spacecraft is giving scientists a first look at an entire half of the planet Mercury.
Comet Roundup
Comets may have provided the young Earth the molecules necessary for the formation of life.
Life Light
The way light scatters off distant planets may reveal whether life exists on them.
Rockets & Ozone
Possible increases in rocket launches could affect the Earth's protective ozone layer.
Little House on the Moon
Swedish engineering students have teamed up with an artist to build a small cottage on the Moon.
Star Distance II
Astronomers calculate the distance to the furthest stars by comparing them to stars they know.
Star Distance I
Astronomers use a concept called parallax to calculate the distance to the nearest stars.