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The core stage of United Launch Alliance's Vulcan arrived by barge. Its demonstration mission will send payloads into orbit and beyond.
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The exoplanet was found using a satellite and spectrography. It has a similar size as Earth, but is much hotter and completes its orbit around its star in two days.
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One year ago, on Christmas Day, the James Webb Space Telescope was launched. Since it began collecting data, it has captured - in stunning detail - previously unobservable stars, planets and galaxies.
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The successful splashdown of the spacecraft with no humans aboard keeps NASA's Artemis mission on track to put the first woman and first person of color on the lunar surface by 2025.
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The close approach of 81 miles occurred as the crew capsule and its three wired-up dummies were on the far side of the moon. Astronauts will take Orion for a ride around the moon as early as 2024.
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Galaxies that existed soon after the Big Bang turn out to be surprisingly bright, a discovery that's both thrilled and puzzled scientists who study how the universe evolved over time.
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NASA's Artemis moon rocket has finally launched after months of setbacks, from fuel leaks to hurricanes. If successful, the mission signals a big step toward returning humans to the moon.
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The space agency has been trying for months to send its giant moon rocket on its first test flight. The goal is to send a crew capsule, with no astronauts on board, around the moon and back.
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A documentary crew with the History Channel initially made the discovery during a dive looking for World War II-era wreckage.
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NASA is again postponing the launch of its new moon rocket because of a storm threatening the Florida coast.
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NASA’s moon rocket is back on the pad at Cape Canaveral for another launch attempt, following more repairs. The Space Launch System rocket and Orion spacecraft for the Artemis I mission departed its Florida hangar in the middle of the night and completed the 4-mile trip shortly after sunrise Friday. NASA is aiming for a launch attempt in mid-November.
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“When We Were Shuttle” is a new documentary exploring the space shuttle program through the stories of the people who made it happen. Zachary Weil, the director and producer behind the film, joined Sundial Now to discuss these lesser-known stories about Florida's Space Coast.