Comet Tsuchinshan-ATLAS will sweep around the sun on Sept. 27 to make a brief foray into the morning sky. Will it be a bright ...

A3 has been dubbed a potential “comet of the century” because it’s expected to grow a beautiful cometary tail that is visible ...

A3 (Tsuchinshan-ATLAS), discovered in January 2023, is on its way to becoming one of the most remarkable astronomical ...

The heat from a star can evaporate a comet’s ice particles, liberating dust particles. Lighter particles form the comet’s tail while heavier ones fall back on to its surface, building a crust.

The meteors, which are leftover comet particles and broken asteroids, originate from the comet 1P/Halley, which orbits the sun about once every 76 years. The comet was last spotted in 1986 ...

The aurora borealis is one of the most beautiful natural spectacles on the planet, so it's worth a trip this time of year to ...

Whether or not it happened here, we don’t know for sure.” It’s clear that comet particles like Inti were blasted outward from near the sun, he says, but the planets may have shifted more gently.

A comet is basically a dirty iceball composed of rock and ice ... and study it using two multispectral cameras and a dust ...

The charged particles in solar wind can damage satellites, harm astronauts, and, if they hit the Earth's magnetosphere, cause communications to go "haywire", the university said. A comet's head ...

As the asteroid or comet struck Earth, it vaporized some of the planet’s bedrock, pushing fine dust particles into the stratosphere, obscuring the sun, preventing planets from photosynthesizing ...

One expert predicts that the comet could reach peak brightness by the second week of October, nearly as bright as Venus, making it faintly visible even in daylight. We could see a comet pass ...

Several new molecules were discovered in comet Hyakutake that should provide important insights into the understanding of the origin of our solar system. Infrared observations revealed that ...