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Astronomers Find First Globular-Cluster Stellar Stream Beyond the Milky Way

Modeling of the faint stream in UGC9050-Dw1 shows a globular-cluster origin that implies the galaxy is dark-matter rich.

New Measurements Tighten Mystery of the 1977 'Wow!' Signal

550-Million-Year-Old Worm Shows Population Bias for Rightward Turns

Largest-Ever Cosmic Test Finds Gravity Falls With Distance as Theory Predicts

Oxford Study Finds Moon’s Magnetic Field Was Mostly Weak Through Its History

NASA Details Roman Telescope’s Milky Way Map and Dark Energy Void Surveys as Launch Prep Advances

Astronomer Reports 20 GeV Gamma-Ray Halo Consistent With Dark Matter in Fermi Data

Milky Way Simulations Revive Dark-Matter Case for Galactic Center Gamma-Ray Excess

Study Finds Solar Flares Superheat Ions 6.5 Times More Than Electrons

130-Year Record Shows Planetary Nebula IC 418 Heating Faster Than Recent Models Predict

Parker Solar Probe Confirms Long-Standing Solar Reconnection Theory In Situ

Deep-Sea Cores Uncover Possible Cometary Debris at Younger Dryas Onset

New BAO Analysis Strengthens Local Void Solution to Hubble Tension

Doubts Deepen Over Potential Biosignature on Exoplanet K2-18b