MAVEN Mars mission


MAVEN Heads to Mars

November 18, 2013                                                                | NASA’s next orbiter has successfully launched and is en route to the Red Planet. When it arrives, it will pry into the secrets of Mars’s climate, both past and present, and hopefully reveal how the cold, dry world lost most of its ancient atmosphere. > read more

Monster Gamma-Ray Burst Challenges Theories

November 21, 2013                                                                | Observations of one of the most powerful supernovas ever recorded suggest that the standard model for gamma-ray bursts might be missing a piece of the puzzle. > read more

Cassiopeia A in 3D

November 20, 2013                                                                | Explore a supernova remnant with this fun interactive simulation, created from detailed space- and ground-based observations in multiple wavelengths.  > read more


Blocking the Sun

S&T: Alan MacRobert

Can You Spot Comet ISON at Perihelion?

November 22, 2013                                                                | It won’t be easy by a long shot, but it just might be possible to spot the comet in broad daylight as it passes nearest the Sun. > read more

Latest Updates on Comet ISON

November 22, 2013                                                                  | Will ISON put on a naked-eye show in the dawns of early December? Astronomers everywhere are following it closely as it approaches the Sun! > read more

Tour November’s Sky by Eye and Ear!

October 31, 2013                                                                  | Returning at last to standard time, you’ll find Venus low in the west at sunset, Jupiter rising in late evening, and the winged horse Pegasus galloping across the November night sky. > read more


Viewing the Sun

S&T: Sean Walker

Arizona Astronomy & Science Expo

November 19, 2013                                                                | New gear, hands-on demos, and renowned speakers awaited visitors to last weekend’s astronomy expo in Tucson, Arizona. > read more

This Week’s Sky at a Glance

November 24, looking very low in bright dawn

This Week’s Sky at a Glance

November 22, 2013                                                                  | Comet ISON is the news of the week, as it dives toward its November 28th hairpin barbecue pass around the Sun. Can you still detect it low in the dawn? Mercury and Saturn point the way. > read more

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