エイリアンが太陽系に監視用の小型探査機を送り込み、地球を監視している可能性があるとアメリカ国防総省とハーバード大学の科学者が発表しました。 Alien mothership lurking in our solar system could be watching us with tiny probes, Pentagon official suggests | Live Science ...

Harvard astrophysicist Avi Loeb says interstellar comet 3I/ATLAS likely comes from the Milky Way's disc, as astronomers ...

Remember 3I/ATLAS? Yes, the interstellar comet that made plenty of headlines in 2025 is still romping through our solar system.

Scientists are sharpening the methods used to search for alien artifacts inside our own solar system, drawing on recent peer-reviewed studies published in The Publications of the Astronomy Society of ...

What can a piece of debris from another star tell astronomers about planets they may never see directly? The answer has changed dramatically since the first confirmed object from another star crossed ...