Comets — those small, icy objects orbiting the sun — act like floating time capsules, offering a window into the early days of our solar system's formation and holding clues about the origins of life ...

Pristine means pure and unchanged. Earth still boasts pristine forests, deserts and much untouched seafloor. When astronomers use the word in regard to comets they're talking about an object that's ...

Fifteen years ago on this day, the comet Hale-Bopp made its closest approach to Earth, at a distance of 1.315 AU (1 AU = 93 million miles). The comet had been discovered independently by two amateur ...

On March 22, 1997, a super bright comet by the name of Hale-Bopp made its closest approach to Earth. It was bright enough for people to see without telescopes or binoculars for over 18 months. Comet ...

Scientists are firing four arrow-like rockets beyond the outer reaches of the atmosphere to help solve the mysteries of the Hale-Bopp comet and possibly yield clues about the birth of the universe.

CLOUDCROFT, NEW MEXICO. July 23, 2005 marks the ten-year anniversary of the discovery of Comet Hale-Bopp, and co-discoverer Dr. Alan Hale is announcing plans for an event to celebrate the occasion.

NASA has finally published several observations of interstellar comet 3I/ATLAS that were taken during the long government ...

On October 8, golden comet C/2025 K1 (ATLAS) had its closest pass to the Sun. It was just 49 million kilometers (31 million ...