Is the solar system an interstellar highway, with cosmic objects speeding past at warp speeds without human notice? That’s ...

NASA said the comet will make its closest approach to the sun in late October, scooting between the orbits of Mars and Earth ...

In addition, the main tail always appears to be a grey/white color: it reflects sunlight fairly well at all wavelengths. Whatever color the material is that the comet itself is made from, the main ...

Nearly three years ago, the world rooted for Comet ISON — then nicknamed the comet of the century — as it shot toward the sun. Promising a spectacular show of tail if it survived its close ...

FINAL MOMENTS Comet ISON’s tail of dust (colored) separated from its nucleus (red cross, upper left) about 40 minutes before the comet’s flyby of the sun. The red dots trace the comet’s ...

By operating the instrument in camera mode the researchers were able to record images of the comet’s tail in ultraviolet light with a wavelength of 121.6 nanometers.

Fragments of the comet will still be useful to NASA researchers. Dec. 3, 2013 -- Comet ISON may no longer be streaking across the sky, but that doesn't mean it's completely obliterated. Dean ...

It looks like comet ISON, or most of it, did not survive its encounter with the Sun yesterday, when it made a close approach at just 1.2 million km from that fiery surface.

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 ...

Its long tail and nucleus seemingly vaporized in the solar furnace, dashing hopes of a naked-eye comet visible in Earth's skies in December. But late on Thursday, ISON surprised again.

Comet ISON was first spotted by a Russian telescope in September last year and became something of a celestial flash in the pan this week for its vivid tail — visible by the naked eye — and ...

The comet ISON, named after the International Scientific Optical Network which discovered it last year, made its closest approach to the sun Thursday at 1:37 p.m. ET.