Everything you need to know about 2024's 'comet of the year,' C/2023 A3 (Tsuchinshan-ATLAS), from when it will appear to ...

The final hurdle for Tsuchinshan-ATLAS to surmount will come on the afternoon of Sept. 27, when it arrives at perihelion — the closest point in its orbit to the sun.

The comet, which has been generating excitement among astronomers and skywatchers, is currently visible in Earth's skies as ...

What’s even better, it will be able to be seen with the naked eye. The comet is expected to reach perihelion, closest to the ...

Unistellar, a pioneer in intelligent telescopes, is once again mobilizing its entire community for a participatory ...

Halley’s Comet appears only once every 75 years, sparking excitement among both casual observers and astronomers. Learn what ...

What's the difference between an asteroid and a comet? A comet is basically a dirty iceball composed of rock and ice. The ...

“The closer we get to the middle of October, we will be able to predict with increasing certainty how bright this [comet] ...

A3 has been dubbed a potential “comet of the century” because it’s expected to grow a beautiful cometary tail that is visible ...

ATLAS—also known as comet A3 and C/2023 A3—could become visible to the naked eye in late September and mid-October. Here's ...

Other highlights this month include the reappearance in the post-sunset sky of Venus, a partial lunar eclipse and the chance ...

What’s the difference between an asteroid and a comet? A comet is basically a dirty iceball composed of rock and ice.