Mars rover being built via live webcam

You can watch via live webcam as NASA builds the next Mars rover, whose nickname is Curiosity.

Operation IceBridge on air again

Finally the weather lifted, and Operation IceBridge made a series of flights over the Antarctic Peninsula and a crucially important flight over the South Pole.

Parkinson’s disease cutting-edge research by Scherzer

Scherzer's team has made a potential breakthrough in understanding Parkinson’s disease. And it is one that could help with treatment. Subscribe here for our newsletter

Google Earth view of ancient Mayan agriculture

The ancient Maya altered wetlands into farmland, leaving a lasting impact on the land that's still visible today to scientists using Google Earth.

Vaccine safety information from Claire Broome

Dr. Claire Broome chaired a committee for the U.S. Institute of Medicine, which looked at the National Vaccine Plan and ways to improve it for vaccine safety.

Giant energy bubbles discovered in Milky Way galaxy

In November of 2010, a team of astrophysicists discovered two giant, energy-filled bubbles extending from the galaxy's center.

Neanderthal teeth reveal short childhood

New evidence shows that a Neanderthal developed faster and had shorter childhoods than early humans. The proof is in their fossilized teeth.

Comet Hartley 2 stunning image gallery

Visit the NASA image gallery of Comet Hartley 2. This small comet - which was visible in our skies earlier this fall - spewed lots of dust, spinning jets and gas.

Jupiter gets its stripe back

The South Equatorial Belt on Jupiter - which faded last spring from brown to white - now appears to be regaining its color.

Killer protein to our immune system

Our immune system uses a tiny killer protein called perforin to punch holes in the membranes of infected cells, says an October, 2010 report.