PARIS — Without Russian help, climate scientists worry how they’ll keep up their important work of documenting warming in the Arctic. Europe’s space agency is wrestling with how its planned ...
DUBAI, United Arab Emirates — Iran likely suffered another failed launch of a satellite-carrying rocket in recent days attempting to reinvigorate a program criticized by the West, even as Tehran ...
CAPE CANAVERAL, Fla. — A 4 billion-year-old meteorite from Mars that caused a splash here on Earth decades ago contains no evidence of ancient, primitive Martian life after all, scientists ...
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