Add Yahoo as a preferred source to see more of our stories on Google. Those concerned that 3I/ATLAS' arrival to our solar system meant that some sort of alien invasion was imminent can breathe a sigh ...

直径が90メートル以上で、プレサンプスコット川で1月14日に初めて確認されました。 アメリカ北西部メイン州の川で1月14日、円状の謎の物体が出現しているのが確認されました。その奇妙な姿に、「エイリアンの宇宙船みたい」などとインターネット上で ...

A team of astronomers found no radio signals from the comet that would suggest it is an extraterrestrial spaceship. The comet was confirmed in July 2025 as the third known object to enter our solar ...

The comet originated from outside our solar system and poses no danger to our planet. NASA officials have rejected theories that the object could be an alien spaceship. While not visible to the naked ...

Interstellar comet 3I/ATLAS dramatically brightened after passing the Sun, with Harvard astrophysicist Avi Loeb warning it ...

A comet that is likely much, much older than our solar system has spent months traipsing through Earth's cosmic neighborhood. And at long last, NASA has unveiled an unprecedented look at the object, ...

An astrophotograph of the interstellar comet known as 3I/ATLAS highlights its green coma and a wandering blue-tinted ion tail. (Copyright Victor Sabet and Julien De ...

The 3I/ATLAS comet, which some space boffins believe may be an alien craft, was spotted emitting life-giving organic matter into the cosmos by NASA telescope SPHEREX ...