The third known visitor from interstellar space, comet 3I/ATLAS, is putting on a show that plays out in high‑energy light instead of visible fireworks. As it barrels through the inner solar system, ...

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

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

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

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

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 ...

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 ...

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 ...

Astronomers spotted comet C/2025 R3, potentially visible without telescopes. It will approach Earth and Sun in April 2026, ...

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