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Astronomy Hubble revisits stunning Trifid Nebula after 30 years, and spots a growing jet of energy — Space photo of the week Astronomy Astronomers map one of the largest structures in the universe, ...

For all of human history, the Sun has served as a great constant in daily life. As this brilliant orb blazes across the sky, it sustaind life, provides harmonious rhythms to our world, and marks the ...