The loss was an early and costly setback for U.S. planetary exploration that prompted tighter scrutiny of guidance software and launch procedures.
NASA's Mariner 1 spacecraft experienced a guidance failure shortly after launch and was destroyed by range safety to eliminate a hazard.
The loss was an early and costly setback for U.S. planetary exploration that prompted tighter scrutiny of guidance software and launch procedures.
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First Lady Melania Trump announced plans for Halloween festivities at the White House.
Trump announces $90 payments for seniors on Medicare as part of a new initiative.
President Trump has dismissed calls for increased regulation of artificial intelligence.
Trump dismisses calls for AI regulation, emphasizing competition with China.