Latest Antitail Stories
Comet C/2013 UQ4 (Catalina) has been observed by NASA's Near-Earth Object Wide-field Infrared Survey Explorer (NEOWISE) spacecraft just one day after passing through its closest approach to the sun.
British scientists have identified a new candidate for the biggest comet measured to date.
Astronomers from the University of California, Los Angeles and the University of Hawaii have discovered multiple fragments ejected during the largest cometary outburst ever witnessed.
In 1996, a 7-year-old boy in China bent over the eyepiece of a small telescope and saw something that would change his life--a comet of flamboyant beauty, bright and puffy with an active tail.
NASA's Swift Gamma-ray Explorer satellite rocketed into space in 2004 on a mission to study some of the highest-energy events in the universe. In that time, Swift also has observed 80 exploding stars and studied six comets.
Observational and theoretical studies of Comet 67P/Churyumov-Gerasimenko, the target of ESAâ€™s Rosetta mission, are building a detailed portrait of the cometâ€™s nucleus as it travels around the Sun.
Comet McNaught, the Great Comet of 2007, has been delighting those who have seen it with the unaided eye as a spectacular display in the evening sky.
Recently, sky watchers in the Northern Hemisphere have been enjoying the sight of Comet McNaught in the twilight sky. Now, solar physicists using the ESA-NASA SOHO spacecraft are getting ready for their view.
When our solar system was young, its biggest babies -- Jupiter and Saturn -- threw tantrums by the trillion. The huge planets hurled ice-covered rocky bodies from the inner solar system far past the orbit of Pluto.
A cloud of gas bigger than the planet Jupiter, glowing alien green, is about to sweep past the Seven Sisters in Taurus. Got binoculars? You can watch it happen. On Friday night, January 7th, Comet Machholz visits the Pleiades.
- The practice of two or more parties jointly purchasing all or part of a butchered cow and dividing the meat between them.