This is the fourth comet Gröller has discovered, but given its extraordinary distance, it was the most exciting find, he says ...

It has long been assumed that the gases of a comet tail are pushed away from the comet by the pressure of light from the sun. It now appears that many tails are caused by a wind of charged particles ...

The “comet of the century” that was likely last seen by the Neanderthals seemed to develop a physics-defying second tail as it reached its closest point to Earth in over 80,000 years.

The stunning comet C/2024 G3 lights up the sunset sky over Chile's Very Large Telescope in this spectacular photo.

Comet A3 hasn't been past Earth since the Neanderthals. Your last chance to see it is approaching fast. Here's where and how ...

The boiling is so intense, that the world has developed a comet-like tail stretching 350,000 miles behind it, scientists announced on Tuesday. Don't retire on this planet The planet, called WASP ...

Those were long-exposure images, meaning the color and notable tail captured by the camera is deceptive to the naked eye. If spotted, the comet is expected to take on a circular cloud-like shape ...

Perhaps the most exciting feature of Hale-Bopp is its unique tail. Like most comets, it has two tails that can be seen by the naked eye under the right conditions: a bright dust tail, which is ...

And high above, comet Hale-Bopp hung suspended like a feathery fishing lure, its tail curving off a bit, as if blown to the side by the punishing wind. One by one, stars winked on in a darkening sky.

Following perihelion, the comet showed signs of disintegration but still put on a dazzling display of bright tails. As it heads toward the edge of the solar system, it will slowly start to fade.