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NASA astronauts aim for Florida coast to end SpaceX flight

CAPE CANAVERAL, Fla. The first astronauts launched by Elon Musk’s SpaceX company departed the International Space Station on Saturday night for the final and most important part of their test flight: returning to Earth with a rare splashdown. NASA’s Doug Hurley and Bob Behnken bid farewell to the three men left behind as their SpaceX Dragon…

What, really, is the speed of sound?

We know that the speed of light seems to be the upper limit for how fast something can travel in the universe. But there’s a much lower speed limit that we’ve only recently (in the grand scheme of things) managed to overcome here on Earth:…

Science

UAE’s Mars orbiter launch from Japan delayed by weather

TOKYO The liftoff of the United Arab Emirates’ Mars orbiter was postponed until Friday due to bad weather at the Japanese launch site. The orbiter named Amal, or Hope, is the Arab world’s first interplanetary mission. The launch was…

Science

Daily 3-minute red light exposure could improve aging vision

No one is spared from the decrepitude of old age. However, not all our tissue and body parts age equally. The retina, for instance, ages faster than the rest of the body due to its high energy requirements. Don’t book an optometrist’s…

China

China launches final satellite in GPS-like Beidou system

BEIJING China on Tuesday launched the final satellite in its Beidou constellation that emulates the U.S. Global Positioning System, marking a further step in the country’s advance as a major space power. The launch of the satellite…

Science

NASA’s next Mars rover honors medical teams fighting virus

CAPE CANAVERAL, Fla. NASA’s next Mars rover is honoring all the medical workers on the front lines of the coronavirus battle around the world. With just another month until liftoff, the space agency on Wednesday revealed a commemorative…

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