
This artist's concept shows us the first time Deep Impact encountered a comet - Tempel 1 in July 2005. Deep…

APOD Science APOD APOD: 2010 October 25 –… Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss …

APOD Science APOD APOD: 2010 October 24 – A… Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss…

Principles of air flow are explained to visitors to the wind tunnel exhibit at the USA Science and Engineering Festival,…

APOD Science APOD APOD: 2010 October 23 –… Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss …

At NASA's Kennedy Space Center in Florida, the STS-133 crew takes a break from a simulated launch countdown to ham…

APOD Science APOD APOD: 2010 October 22 –… Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss …

Fast-growing sunspot 1112 is crackling with solar flares. So far, none of the blasts has hurled a substantial CME, or…

APOD Science APOD APOD: 2010 October 21 –… Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss …

On Oct. 7, 2010, NASA's Solar Dynamics Observatory, or SDO, observed its first lunar transit when the new moon passed…