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.

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 ...

Scientists have discovered a comet traveling one way out of the solar ... (the halo that surrounds comets), or distinctive cometary tail despite appearing to be a strange comet/asteroid hybrid.

Why it's so special: Nicknamed the "Great Comet of 2025," Comet C/2024 G3 (ATLAS ... is composed of gases that glow from ionization. This tail points in a different direction than the first ...

The brightest object left of center is the moon, while the faint, wispy tail of comet C/2024 G3 (ATLAS) can be seen at the far left, just to the right of one of the observatory's telescopes.

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 ...