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Clash of the Titans: Hubble’s Universe Unfiltered

Astronomers have known for decades that our Milky Way Galaxy and the neighboring Andromeda Galaxy are approaching each other. What we haven’t known is just how close the encounter will be. Recent Hubble measurements have been able to pin down the trajectory with a smashing conclusion: in about four billion years the two galaxies will crash together in a nearly head-on collision. Further, the spiral galaxies will have completely merged and transformed to create a single elliptical galaxy around six billion years in the future.... Read More | Share it now!

Tonight’s Sky: April 2013

“Tonight’s Sky” provides backyard stargazers with a monthly guide to the northern hemisphere’s skywatching events. In April, look for Jupiter and Saturn in the evening skies, investigate the Big Dipper and Leo the Lion, and catch some “falling stars” from the Lyrid meteor shower.... Read More | Share it now!

Behind the Webb: Roundup of JWST at SXSW (Special Edition)

The South by South festival in Austin, Texas, played host to a new guest this year, a full-scale model of the James Webb Space Telescope. The tennis-court-sized replica anchored a NASA exhibit that included interactive activities and talks on astronomy. The three-day event was capped off by the breaking of a Guinness World Record for the largest outdoor astronomy lesson.... Read More | Share it now!