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The icy traveler, called 3I/ATLAS or Comet ATLAS, was discovered on July 1 by the NASA -funded ATLAS survey telescope in Río Hurtado, Chile. This enormous space snowball came from the direction of the ...
A mystery interstellar object discovered last week is likely to be the oldest comet ever seen—possibly predating our solar system by more than 3 billion years, researchers say.
A renowned physicist believes he's cracked the mystery of where a giant unidentified object hurtling through our solar system ...
Astronomers have spotted a new interstellar object — the third of its kind ever seen — shooting towards us through the solar ...
The awe-inspiring distances of the cosmos are hard to visualise, so how can we be certain we are measuring them correctly?
A rare interstellar comet is flying through our solar system. Here's how—and when—you might be able to see Comet ATLAS from ...
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NASA's ATLAS telescope in Chile has detected a fast-moving interstellar comet, named 3I/Atlas, currently located 4.5 au from the Sun. This is only the third alien object observed in our solar system, ...
The NASA-funded ATLAS (Asteroid Terrestrial-impact Last Alert System) survey telescope in Rio Hurtado, Chile, first reported observations to the Minor Planet Center of comet 3I/ATLAS on July 1, 2025.
Earth and our entire Milky Way galaxy may sit inside a mysterious giant hole which makes the cosmos expand faster here than ...
3I/ATLAS, also known as C/2025 N1, is a comet from interstellar space, meaning it originated in another star system and entered our solar system on a one-time flyby. It was first spotted by the ATLAS ...
Astronomers are tracking a newly spotted comet hailing from parts unknown, only the third time such an interstellar object ...
NASA said the comet will make its closest approach to the sun in late October, scooting between the orbits of Mars and Earth ...
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