NASA begins search for what is left of Comet ISON
Just prior to its closest approach to the sun on November 28, Comet ISON went through a major heating event, and likely suffered a major disruption. At this time, scientists are not sure how much of the comet ...
New instrument continues gathering Sun's effects on the Earth
Maintaining a record of solar measurements is important in understanding the sun's effect on Earth and the National Oceanic and Atmospheric Administration's (NOAA), Total solar irradiance Calibration Transfer ...
What happened to comet ISON?
Astronomers have long known that some comets like it hot. Several of the greatest comets in history have flown close to the sun, puffing themselves up with solar heat, before they became naked-eye wonders ...
NASA investigating the life of Comet ISON
After several days of continued observations, scientists continue to work to determine and to understand the fate of Comet ISON: There's no doubt that the comet shrank in size considerably as it rounded the ...
Hubble Telescope best shot at learning comet fate (Update)
NASA said Monday that the Hubble Space Telescope is the best bet for figuring out whether Comet ISON disintegrated during its brush with the sun last week.
Scientists find signs Comet ISON may have survived flyby of the sun
Has Comet ISON survived its suicidal flyby of the sun? Scientists expected the dirty snowball to break apart as it flew within 730,000 miles of the sun on Thanksgiving, but NASA reported Friday that its nucleus may have survived.
Did Comet ISON survive? Scientists see tiny hope (Update)
A comet that gained an earthly following because of its bright tail visible from space was initially declared dead after grazing the sun. Now, there is a sliver of hope that Comet ISON may have survived.
Sun-grazing comet ISON likely broke up (Update)
Once billed as the comet of the century, Comet ISON apparently was no match for the sun.
SOHO shows new images of Comet ISON
As Comet ISON heads toward its closest approach to the sun—known as perihelion—on Nov. 28, 2013, scientists have been watching through many observatories to see if the comet has already broken up under ...
Will comet ISON survive its near brush with the Sun?
US astrophysicists are split over what will happen when the comet ISON passes near the sun Thursday, but a majority think it will break apart.
Comet dances with sun, death; giving mixed signals
Comet ISON is teasing the solar system as it dances with the sun and it's giving astronomers mixed signals.
Q&A: Comet ISON
(Phys.org) —Don Yeomans, a senior research scientist at JPL, keeps a watchful eye on near-Earth objects—asteroids, comets and other space rocks. Yeomans heads a group charged by NASA to watch for objects ...
NASA's solar observing fleet to watch Comet ISON's journey around the Sun
It began in the Oort cloud, almost a light year away. It has traveled for over a million years. It has almost reached the star that has pulled it steadily forward for so long. On Thanksgiving Day, Nov. 28, ...
New solar instrument reaches orbit
An instrument that measures the sun's energy output is in orbit after it was launched last night on the U.S. Air Force's Space Test Program Satellite-3. The satellite was aboard a Minotaur I rocket that launched ...