Choose your fighter for the origin of water on Earth! Was it always here or did it come to this planet from somewhere else in ...
The interstellar comet 3I/ATLAS, the third confirmed object from outside the Solar System, passed closest to the Sun on ...
The unusual behaviour of interstellar comet 3I/ATLAS has reignited online debate, but astronomers say the gaps in public ...
Though this hunt came up empty, the fact that 3I/ATLAS is only the third known object found in the solar system after ...
New observations of 3I/ATLAS provide real data that scientists are using to evaluate asteroid behavior ahead of Apophis’ 2029 ...
The 3I/ATLAS threw off over 13.5 million metric tons of water in the month after perihelion, a plume so large that it caused ...
In late April 2026, a long-period comet will swing through the inner solar system. It will likely be visible with binoculars, ...
When 3I/ATLAS swept past the sun in late October 2025, it became only the third confirmed visitor from interstellar space ...
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2026: 3I/ATLAS forces a rethink of 'normal' comets

At 3.51 au from the Sun well beyond the region where water ice normally drives strong cometary activity 3I/ ATLAS still ...
In 2026, skywatchers can anticipate multiple comet sightings, including potentially naked-eye visible ones like C/2025 R3 ...