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 ...

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 ...

Life could have arrived on Earth in ancient collisions with rocks from other solar systems (Image: Hubble/Princeton) Life could have arrived on Earth in rocks from other solar systems, scientists ...

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