Uppsala researchers study the transformation of a comet

In July, Rosetta is expected to send the first images of comet 67P/Churyumov-Gerasimenko's nucleus, as seen from a large distance. The space probe will enter an orbit around the comet nucleus in August, where it will remain ...

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 sun and there's ...

ISON comet has lost individual fragments

One or more chunks could have split off from the nucleus of comet ISON in recent days. Two wing-like structures in the gaseous environment of the comet, which have been photographed by a team of scientists from the Max Planck ...

Comets play a role in the history of civilization

The sight of a bright comet has fascinated humankind through the ages. But what's behind such celestial spectacles? It's only in modern times that researchers have got wise to the phenomenon - by then, the comets already ...

Fossil from the depths of the solar system

(Phys.org) —ISON is approaching the Sun. An international observation campaign which involves ground-based telescopes, space probes and space telescopes has been running for some time and is already providing initial findings. ...

First ever evidence of a comet striking Earth

The first ever evidence of a comet entering Earth's atmosphere and exploding, raining down a shock wave of fire which obliterated every life form in its path, has been discovered by a team of South African scientists and ...

Comet ISON goes green

As NASA and the European Space Agency prepare their remote photojournalists – Mars Express, Mars Reconnaissance Orbiter and the Curiosity and Opportunity rovers – to capture photos of Comet ISON's flyby of Mars early ...

Near-Earth asteroid is really a comet

Some things are not always what they seem—even in space. For 30 years, scientists believed a large near-Earth object was an asteroid. Now, an international team including Joshua Emery, assistant professor of earth and planetary ...

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