The ion tail appeared as Comet C/2025 R3 PanSTARRS was about 45 million miles from Earth (72 million kilometers) during its closest approach.

Most people imagine a comet’s tail as a trail left behind as it moves through space, but that’s not what’s actually happening ...

A new image shows the growing tail of a comet from another star system streaking across our solar system. The image of comet 3I/ATLAS was captured on Aug. 27 using one of the telescopes at the ...

Skywatchers are in for a celestial treat this week as the Pink Moon, the rare alignment of Moon and Spica, and the possible appearance of a comet tail combine to create one of Aprils most striking ...

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London. Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and ...

A new image shows the growing tail of a comet from another star system streaking across our solar system. The image of comet 3I/ATLAS was captured on Aug. 27 using one of the telescopes at the ...

A famous comet visiting from outside our solar system known as 3I/ATLAS is blazing through our cosmic neighborhood, leaving a striking trail in its wake. A ground telescope in Chile recently glimpsed ...

The behaviour of a celestial object has sparked a cosmic debate. Astronomers are accustomed to comets sporting a bright, distinctive tail as they zoom near the Sun. So, when the object 3I/ATLAS was ...

Comet C/2025 R3 PanSTARRS is days away from its close pass of the sun during an event known as perihelion.

CAPE CANAVERAL, Fla. — Telescope observations reveal a growing tail on the comet that’s visiting from another star. Subscribe to read this story ad-free Get unlimited access to ad-free articles and ...