Discovered in January 2023, A3 reached the closest point in its orbit to the Sun, known as perihelion, on Sept. 27, followed ...

The “comet of the century” that was likely last seen by the Neanderthals seemed to develop a physics-defying second tail as ...

New photos of comet Tsuchinshan-ATLAS appear to show a faint "anti-tail" pointing away in the wrong direction. The puzzling ...

You can see the bright bundle of ice and dust until Oct. 24 by using binoculars or a telescope in a dark environment, NASA ...

The coma and long tail of comet Tsuchinshan-ATLAS, also called C/2023 A3 (Tsuchinshan–ATLAS), is currently shining at ...

Look west the next clear night; binoculars are advised as the comet is slowly dimming and shortening. It will require ...

In a remarkable cosmic event captured by the Solar and Heliospheric Observatory, Comet C/2023 A3 (Tsuchinshan–ATLAS), the ...

The ancient comet—dubbed the “comet of the century”—returns to the inner solar system only once every 80,000 years.

WASHINGTON -- The Orionids — one of two annual meteor showers from Halley's comet — peak early Monday. A bright waning moon ...

The best comet of the year is starting to fade in brightness, but it’s still an easy naked-eye object in the evening sky.

The comet C/2023 A3 (Tsuchinshan-ATLAS) was discovered in 2023 and is on its way into the inner solar system. Early estimates ...

ESA and NASA's SOHO spacecraft capture a video of Comet C/2023 A3 (Tsuchinshan–ATLAS) glowing as it raced through space.