A stunning new image of interstellar comet 3I/ATLAS (C/2025 N1 ATLAS) reveals the cosmic visitor's ion tail has grown ...

Data captured by a robotic telescope indicate the ion tail now extends a minimum of 0.7 degrees toward the northeast.

The interstellar comet has reappeared after months hidden behind the sun, offering astronomers fresh clues about how comets form and travel through space.

The 3I/ATLAS comet was first spotted in July near Jupiter after it entered our solar system from another universe. Here’s what’s known about it and what we’ve learned so far.

Since its discovery, 3I/ATLAS has been at the centre of viral speculation, echoing the debate that followed the first known ...

Comet Lemmon, or C/2025 A6, was discovered by the Arizona-based Mount Lemmon Survey, which observed it as an almost ...

Scientists have confirmed that comet 3I/Atlas is visible again following its close approach to the Sun, sparking fresh ...

In a surprising turn, new images revealed that 3I/ATLAS lost its tail after passing close to the Sun. Typically, solar heat ...

Comet C/2025 V1 (Borisov), discovered by an amateur astronomer, is captivating scientists. Its unusual orbit initially ...