The Hubble Space Telescope's newest images of 3I/ATLAS confirm the presence of its sunward anti-tail, contrary to the usual ...

Comet 3I/ATLAS has arrived in the inner solar system behaving as if the usual rules of comet physics were optional. Instead ...

What: Ultraviolet observations of the interstellar comet 3I/ATLAS captured by NASA’s Europa Clipper spacecraft while the comet was hidden from Earth-based and near- ...

Comet Nishimura came into NASA's STEREO-A spacecraft's field of view. The solar wind was interacting with the tail of the ...

C/2024 E1 (Wierzchos) brightened significantly ahead of its close approach to the sun.

Astronomers have noted that a jet stream, part of the comet’s anti-tail, appears to be pointing toward the Sun—behavior that deviates ...

3I/ATLAS, an interstellar object believed to be a comet, recently passed its closest point to the sun. Scientists are puzzled by its unusual behavior, including the lack of a typical tail. The object ...

This comet could be part of the Kreutz family and is expected to flare dramatically as it sweeps past the Sun.

Recently discovered Comet C/2025 R3 (PanSTARRS) will make its closest approach to the sun and Earth in late April and could ...