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

The interstellar comet 3I/ATLAS arrived looking like a routine icy visitor and then promptly started shredding the rulebook ...

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

What: Ultraviolet observations of the interstellar comet 3I/ATLAS captured by NASA’s Europa Clipper spacecraft while the ...

The unusual behaviour of interstellar comet 3I/ATLAS has reignited online debate, but astronomers say the gaps in public ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. (Center) A white light of the comet 3I/ATLAS is surrounded by a blue glow against a black ...

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

NASA’s Europa Clipper spacecraft has recorded important new observations of the interstellar comet 3I/ATLAS using its Southwest Research Institute-led Ultraviolet Spectrograph (UVS). In July, 3I/ATLAS ...

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 ...

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

Interstellar comet 3I/ATLAS might be older than our Sun and is estimated to be between eight and 14 billion years old and ...

Harvard's Avi Loeb investigates whether the interstellar object 3I/ATLAS is leaking artificial propellants, suggesting that gas distances in its anti-tail could reveal hidden alien technology.