Astronomers have identified Comet 3I/ATLAS as an interstellar object, making it only the third confirmed visitor from outside ...

Interstellar comet 3I/ATLAS is making a rare visit to our solar system, reaching perihelion near Mars' orbit on October 30, ...

The 3I/ATLAS interstellar comet’s size and physical properties are being investigated by astronomers around the world. Viewers can check the 3I/ATLAS positioning through live tracking available online ...

The best time to watch Comet C/2025 A6 (Lemmon) is upon us. Grab your binoculars, telescope, or just get into a very dark ...

Astronomer Gianluca Masi and his Virtual Telescope Project will host a special livestream on Oct. 24 beginning at 1:30 p.m.

NASA stated the comet will pass slightly inside Mars’ orbit when it reaches this point, around October 30, 2025.

Comet 3I/ATLAS, the third known interstellar object, will make its closest approach to the Sun on October 29. It will ...

I/ATLAS is set to reach its closest point to the Sun on Wednesday (October 29), at around 11:47 Universal Time (UT). The ...

Comet C/2025 R2 (SWAN): In contrast, Comet SWAN was discovered in September 2025 by the Solar and Heliospheric Observatory's SWAN instrument. This comet is best viewed in the predawn hours, low on the ...

An astronomer in Italy caught a fortuitous image of the bright comet Lemmon seemingly entwined with the glowing trail of a ...