NASA probe makes closest-ever pass by the sun

WASHINGTON — NASA’s pioneering Parker Solar Probe made history Tuesday, flying closer to the sun than any other spacecraft, with its heat shield exposed to scorching temperatures topping 930 degrees Celsius (1,700 degrees Fahrenheit).  Launched in August 2018, the spaceship is on a seven-year mission to deepen scientific understanding of our …

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Attacks on Pakistan polio teams kill vaccinator, 2 police officers 

Islamabad — Authorities in Pakistan reported Monday that gunmen targeted vaccination teams in northwestern districts during a nationwide campaign against the paralytic poliovirus, resulting in the deaths of at least one health worker and two police officers. The violence in the militancy-hit Khyber Pakhtunkhwa province, which borders Afghanistan, also injured several …

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