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

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.

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 ...

Interstellar object 3I/ATLAS is on the opposite side of the sun from Earth - but several spacecraft are in the perfect position to get a closer look. As 3I/ATLAS warps and grows the closer it gets to ...

In this week's Science for All newsletter, Vasudevan Mukunth explains latest updates on interstellar comet 3I/ATLAS, and what ...

Cosmic dust can tell scientists about how ice covered Earth during the last ice age. This dust is leftover debris from ...

The NASA mission, called Stardust, brought back the only material—other than moon rocks—taken directly from a extraterrestrial body. NASA At the threshold of a sterile lab at NASA's Johnson Space ...