Across the Milky Way and beyond, planetary systems appear to fall into a few recurring blueprints, and recent exoplanet ...

A Carnegie-led team of astronomers detected the strongest evidence yet of an atmosphere around a rocky planet beyond our ...

The Milky Way was once a textbook example of how a spiral galaxy should form and evolve. Now a wave of new observations and ...

Vladimir Putin jokes that interstellar comet 3I/ATLAS is a 'secret weapon' as the mysterious object sweeps past Earth.

The scientist who discovered the black hole at the center of our galaxy reflects on social media and the unpredictable power ...

Saturn and Neptune will be in the same binocular view for the entire month. Neptune lies 3.5 degrees northeast of Saturn on ...

From new exoplanetary neighbors and a weakening dark energy to the best evidence for life on Mars and an interstellar comet ...