Comet Nishimura came into NASA's STEREO-A spacecraft's field of view. The solar wind was interacting with the tail of the ...

Astrophotographer Miguel Claro captured Comet C/2023 A3 (Tsuchinshan-ATLAS) from the Dark Sky Alqueva reserve in Portugal on ...

Above: Takaya Okada (Japan) observes Comet C/2023 A3 with his EVSCOPE2. In the background you can see the comet tracing its ...

The "once-in-a-lifetime" comet Tsuchinshan-ATLAS looks like it has grown a physics-defying second tail after reaching its closest point to Earth for more than 80,000 years, new photos reveal ...

At that time, the comet's tail will essentially be pointing right at Earth. However, in the days to follow, the tail will pivot eastward, making for dramatic changes in viewing from night to night.

One thing viewers will notice immediately is the comet's tail of ice and dust, which is believed to be as long as 18 million miles. "The tail is huge," Dahl told CBS Boston executive weather ...

Despite the clouds and moonlight, the comet was a magnificent sight. The brightness was 1m5 but the 10° tail was visible without any problem. A picture taken on Sunday by Austrian photographer ...

A dazzling comet left behind a dramatic dust tail as it swept around the sun, new photos reveal. C/2023 A3 (Tsuchinshan-ATLAS) was visible to the naked eye earlier in October as the comet ...

A view of Comet C/2023 A3 (Tsuchinshan–ATLAS), along with the faint anti-tail. Image: Michael Kieran As Comet C/2023 A3 (Tsuchinshan–ATLAS) barrels its way through space, some have gotten a ...

A comet’s head can look as large or larger than many planets in the sky. The comet’s tail, composed of gases and dust, can stretch several million miles away from the sun; in the case of Comet ...