From there, Comet C/2020 R4 ATLAS heads back out of the inner solar system, towards a distant aphelion 193 AU (18 billion miles/29 billion kilometers) from the Sun in 2500 AD. That's almost five ...

Other notable flybys included Neowise in 2020, and Hale-Bopp and Hyakutake in the mid to late 1990s. Where did comet Tsuchinshan-Atlas come from? The comet, also designated C/2023 A3, was ...

Comet SWAN, hailing from the Oort Cloud beyond Pluto, may not have survived its recent trip past the sun and is fading fast.

Comet Tsuchinshan-ATLAS was the rare comet that arrived with a year and a half of fanfare and lived up to the hype, serving up naked-eye views for weeks. If it was not a Great Comet, it was at ...

Its currently in Mars' orbit but is on its way towards the Sun and getting brighter Atlas, a massive comet five times the size of Jupiter and about half the size of the Sun, will appear brighter ...

The comet won't swing close to Earth like Tsuchinshan-Atlas did last year. Other notable flybys included Neowise in 2020 and Hale-Bopp and Hyakutake in the 1990s. The comet, also designated C/2025 ...

(Mike Olason via AP) The comet won’t swing close to Earth like Tsuchinshan-Atlas did last year. Other notable flybys included Neowise in 2020 and Hale-Bopp and Hyakutake in the 1990s. The comet ...