Worlds

Congressional language changes plans for NASA’s Habitable Worlds Observatory

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WASHINGTON — Congressional language aimed at speeding up work on a future NASA space telescope has the side effect of forcing the agency to disband a team it created to lead the mission’s early development. NASA created two committees last year to support early development of the Habitable Worlds Observatory, a large space telescope recommended … Read more

World’s oldest crystals reveal that Earth had rain and oceans 4 billion years ago

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The world’s oldest crystals show evidence of exposure to fresh and salt water during their formation, a new study reports. This shows that the very early Earth had both oceans and land on which rainwater could collect. Although diabolical in many ways, it suggests a planet far more similar to the one we know today … Read more