Comet 3I/ATLAS, the third confirmed interstellar object ever detected, is now speeding away from the Sun after a brief pass through the inner solar system. Discovered on July 1, 2025, by the ...

Add Yahoo as a preferred source to see more of our stories on Google. An interstellar comet that blazed past the sun and swung by Earth last year could be nearly three times older than our solar ...

An interstellar visitor that has been under close watch since it entered the solar system is showing scientists something new ...

Add Yahoo as a preferred source to see more of our stories on Google. NASA's Hubble Space Telescope observed interstellar comet 3I/ATLAS on November 30. - NASA/ESA/STScI, D. Jewitt/M.-T. Hui/J.

As 3I/ATLAS passes near the sun, methanol gas glows blue, mixed with icy dust grains, while the far side of the comet glows orange with hydrogen cyanide in this artist's rendering. Credit: NSF / AUI / ...

One year ago, on July 1, 2025, astronomers discovered a fascinating new object moving through the solar system. Detected by the Asteroid Terrestrial-impact Last Alert System (ATLAS), the object was ...

Astronomical objects can approach the Sun, with some comets and asteroids traveling remarkably close and surviving. Mercury, ...

How was Halley's Comet born?Halley's Comet is thought to have originated from the "remnants of ice and dust" from when the ...

The interstellar comet 3I/ATLAS was the third object ever discovered in our solar system that originated from another star system. Despite a viral conspiracy theory, NASA officials have repeatedly ...

Comets are pristine remnants left over from the solar system's formation 4.6 billion years ago, rather than younger fragments created by collisions between larger bodies, a new study suggests. The ...

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