Over the last week, we’ve been entertained by a pre-Halloween visitor from the depths of our solar system. It’s Comet ...

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

"When it comes near the sun, it does two things. One, it gets brighter. But the second thing it does - it starts to melt. And ...

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

As the comet Tsuchinshan-ATLAS continues to move farther from both the Earth and the sun, its brightness will fade.

This year has been a spectacle to behold when it comes to astronomical phenomena. In April of 2024, a total solar eclipse ...

An ancient, rare comet is passing by Earth, and some people in the Pittsburgh area have seen the once-in-a-lifetime comet ...

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

A rare, bright comet will be visible in October, clear skies permitting. The comet will make its closest approach to Earth on ...

A rare double feature over the Philadelphia region as Comet Tsuchinshan-ATLAS dazzles in the western sky and the Hunter's Moon supermoon rises in the east. Here's your viewing guide.

Quality planetarium software is essential to planning observations, especially for comets. Many software packages are ...

Comet C/2023 A3 (Tsuchinshan-ATLAS) is the brightest comet in 13 years, visible to the naked eye. Since Oct. 11, observers in ...