NASA's Space Science Enterprise is making headlines and answering some of humanity's oldest and deepest questions. We are responsible for all of NASA's research from the middle levels of Earth's atmosphere to the edge of the Universe. Our quest is to understand our cosmic origins and destiny.

For a brief description of Space Science, look here. For a longer look at what we do and where we are going, see our Strategic Plan.

Our site serves the scientific community and the public. For an overview, click on the "Site Map" banner below. Enjoy your visit!

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• Questions?

• bigger galactic role for novae (6/4)
• 3-D moon map targets ice (6/4)
• salt on Io ? (6/3)
• Eta Carina erupting ? (6/3)
• RXTE sees x-ray light show (6/3)
• HST clarifies planet-making (6/3)
• Prospector to crash for science (6/2)
• more Hubble constant opinions (6/2)
• microbe could thrive on Mars (6/2)
• 2MASS finding brown dwarfs (6/2)
• HST sees stellar life-cycle (6/2)
• cosmic rays being pinned down (6/1)
• light shed on coronal heating (6/1)