How do we know 3I/ATLAS, also called comet C/2025 N1 (ATLAS), is interstellar? Will it strike Earth? Can we visit it? Here ...

Sometimes "the universe comes to us," writes the European Space Agency. For the third time since 2017, an interstellar object ...

現地時間2025年7月2日（現地時間）、新たな恒星間天体の候補である「A11pl3Z」の発見が報告されました。まだきちんとした名前すら付けられていない段階から、この発見は天文学者の注目を集め、わずか1日足らずで正式な名前「 3I/ATLAS ...

史上3例目の恒星間天体「アトラス彗星」（3I/ATLAS）が発見された。直径20kmほどとみられ、過去の2例よりもかなり大きい。11月中旬ごろには明け方に13等程度で観測可能になりそうだ。

Astronomers discovered 3I/ATLAS, a 10–20 km-wide interstellar comet racing into the solar system. It will reach perihelion in ...

You can watch comet 3I/ATLAS live online tonight (July 3), thanks to the Virtual Telescope Project, which will livestream ...

Late in the evening on July 1, a telescope in Chile that is part of the global, NASA-funded Asteroid Terrestrial-Impact Last ...

Interstellar comet 3I/ATLAS confirmed as the third from beyond our solar Livestream of 3I/ATLAS hosted by Virtual Telescope ...

I/ATLAS, also known as C/2025 N1 (ATLAS), originated in a distant star system, far beyond the boundaries of our solar system.

NASA has discovered an interstellar comet, dubbed 3I/ATLAS, that is speeding through the Solar System . The comet was first ...

NASA confirms third interstellar object, 3I/ATLAS, traveling at 152,000 mph. The rare comet will pass closest to the Sun on ...