The Solar System, consisting of giant planets, millions of asteroids and a Sun, has a boundary. Yes, like all countries on Earth, the Solar System too has a region after which its dominion ends. This ...

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NASA’s SPHEREx joined Webb and Hubble in studying interstellar comet 3I/ATLAS, gathering data on its size, chemistry, and physical traits. While harmless to Earth, the comet provides scientists a rare ...

NASA unveiled close-up pictures on Wednesday of the interstellar comet that's making a quick one-and-done tour of the solar system. Discovered over the summer, the comet known as 3I/Atlas is only the ...

Astronomers have spotted a new interstellar object — the third of its kind ever seen — shooting towards us through the solar system. Here's everything you need to know about 3I/ATLAS. When you ...

A comet named 3I/ATLAS, which originated from outside our solar system, is currently hurtling through Earth's cosmic neighborhood. It is only the 3rd interstellar object ever discovered in our solar ...