Astronomers have discovered yet another alien visitor to the Solar System.

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A mystery interstellar object discovered last week is likely to be the oldest comet ever seen - possibly predating our solar ...

As 3I/ATLAS approaches the sun, astronomers expect its frozen ices to sublimate, releasing gas and forming a glowing coma and ...

Astronomers have discovered a new interstellar visitor, 3I/ATLAS, which is believed to be the oldest comet ever observed. The comet is estimated to be around 7 billion years old.

However, new research has shown this potentially "water ice-rich" visitor could be even more extraordinary than initially ...

A mystery interstellar object spotted last week by astronomers could be the oldest comet ever seen, according to scientists.

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 ...

NASA has released the closest-ever images of the Sun, captured just 3.8 million miles from its surface. Since its launch in 2018, the Parker Solar Probe has gradually circled closer to the sun, flying ...

The fastest object in space - Parker Solar Probe - has sent stunning new views of the Sun from its closest distance. The new pictures released by NASA show features in the solar wind and they're ...

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