The possibility that a huge space rock \u2014 once deemed the riskiest asteroid ever observed \u2014 could hit the moon now appears to be off the table.
WASHINGTON — The possibility that a huge space rock — once deemed the riskiest asteroid ever observed — could hit the moon now appears to be off the table.
Discovered at the end of December 2024, asteroid 2024 YR4 at first seemed a serious threat to ... [8576 chars]