Comets
Why You’ll Never See a Red Comet Like in ‘Game of Thrones’
A blood-red comet appears in the sky. People quake in its wake. This phenomenon, which happens in the second season…
How the Space Shuttle Killed an American Halley’s Comet Mission
NASA missed the chance to visit Halley's Comet in 1986 when the famed sentinel swung close to Earth, as it…
Astrophotos: Comet PANSTARRS Meets the Crescent Moon
Astrophotographers were out in force last night to try and capture Comet PANSTARRS (C/2011 L4 PANSTARRS) as it posed next…
Comet PANSTARRS Stars in a New Timelapse Movie
NASA scientist Fred Espenak captured this wonderful timelapse video of Comet PANSTARRS as it set over the Dos Cabezas Mountains…
Update: Comet PANSTARRS Makes Its Northern Hemisphere Debut
The first of three bright comets anticipated in 2013 became visible to North American observers this past weekend. Comet C/2011…
A Guide to Help You See Comet PANSTARRS at its Brightest
This is the big week so many of us in the northern hemisphere have been waiting for. Comet C/2011 L4 PANSTARRS,…
Russian Asteroid Explosion and Past Impactors Paint a Potentially Grim Future for Earth
The recent meteor explosion over Chelyabinsk brought to the forefront a topic that has worried astronomers for years, namely that an impactor…
Astrophoto: A Night of Two Comets
While those of us in the northern hemisphere are impatiently waiting to see Comet PANSTARRS (tonight, March 7 it should…
Update on the Comet that Might Hit Mars
The latest trajectory of comet 2013 A1 (Siding Spring) generated by the Near-Earth Object Program Office at the Jet Propulsion…
Comet PANSTARRS Crosses Paths With Zodiacal Light
With the much-anticipated PANSTARRS comet emerging into the evening sky this week, we might keep our eyes open to another…