The "alien mothership" hypothesis for interstellar comet 3I/ATLAS is about to have a key test, as it hits solar conjunction and perihelion. What does that mean, and why is a Harvard professor of ...
An interstellar object detected last summer has ignited a renewed debate among astronomers after researchers floated the possibility that it may have formed near the dawn of the Milky Way, challenging ...
Morning Overview on MSN
NASA is tracking a bus-sized asteroid zooming past Earth today
NASA’s asteroid trackers have just watched a school‑bus‑sized space rock make a safe, distant pass by our planet, part of a ...
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