ESA’s Mars orbiters have observed comet 3I/ATLAS, only the third interstellar comet ever discovered. The faint, distant ...

Comet SWAN will make its closest approach to Earth — coming within 24 million miles of us — on October 20, while comet Lemmon ...

A team of astronomers has attempted to track the path of interstellar object 3I/ATLAS back into the past, tracing its path ...

According to StarWalk, the best time to observe Comet Lemmon is from October 12 (today!) until November 2. The stargazing website predicted it could be the ‘best comet of 2025’. It will be near Earth, ...

NASA and the European Space Agency are tracking the 3I/ATLAS interstellar object as it travels past Mars on its way toward ...

Comet SWAN will be visible only in early evenings after sunset, while Lemmon can be seen just before sunrise. However, both ...

Two rare bright comets are visiting our neighborhood this month, making for once-in-a-lifetime viewing. The comets, C/2025 A6 (Lemmon) and C/2025 R2 (SWAN), are already showing off their green tails ...

In November 2026, Voyager 1 will hit yet another milestone when it becomes the first manmade object to reach a distance of ...

Skywatchers have a rare chance this month to witness two bright comets — C/2025 A6 Lemmon and C/2025 R2 SWAN — streak across ...

An artist's rendering of two comets that will make a near-earth passes later this month. The first, known as SWAN, will pass ...

Comet C/2025 A6 Lemmon and Comet C/2025 R2 SWAN are making their closest approaches to Earth this month, offering skywatchers ...