The solar wind is a constant flow of charged particles emitted by the Sun. It pushes against a comet’s tail, which is formed from dust and gas escaping its icy nucleus.

Astrophotographer Brennan Gilmore has captured spectacular views of the solar wind stripping a vast section from C/2025 A6 ...

Looking for a sky event this week? Check out our full Sky This Week column. October 13: The Moon reaches Last Quarter The ...

ESA’s Mars orbiters captured images of the interstellar comet 3I/ATLAS as it passed close to Mars, revealing its bright, hazy ...

It was put on Webb to diagnose and measure any blur in its images. Even nanometres of distortion in Webb’s 18 hexagonal ...

What makes 3I/ATLAS especially intriguing is that the comet might be three billion years older than our entire Solar System.

The interstellar object 3I/ATLAS has been something of a mystery ever since it graced our solar system. From all outward ...

Comet SWAN will make its closest approach to Earth — coming within 24 million miles of us — on October 20, while comet Lemmon ...

Every one of us is unique and important, but at the same time, we’re a microscopic part of something that’s beyond ...

Astronomers had long suspected that certain quasars—those brilliant, otherworldly light sources fueled by supermassive black ...

WISPIT 2b was first detected using the European Southern Observatory's Very Large Telescope Spectro-Polarimetric ...

Researchers at OIST built a graphite disk that levitates and spins for hours in a vacuum, showing how perfect magnetic ...