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Spacecraft Enters the Sun's Corona for the First Time in History

Astronomers Observe a New Type of Binary Star Long Predicted to Exist

Giant Magellan Telescope Ranked a National Priority

Development of a New Line of Space-based Great Observatories is Top-ranked

Astronomers May Have Discovered the First Planet Outside of Our Galaxy

Astrophysicists Reveal Largest-Ever Suite of Universe Simulations

Did a Black Hole Eating a Star Generate a Neutrino? Unlikely, New Study Shows

Gigantic Cavity in Space Sheds New Light on How Stars Form

Planets Form in Organic Soups with Different Ingredients

"X-Ray Magnifying Glass" Enhances View of Distant Black Holes