New data reveals black hole jets can accelerate at speeds defying all physical laws, leaving astronomers without a clear ...

Comet 3I/ATLAS recently emerged from behind the glare of the sun to become visible to ground-based telescopes.

Astronomers watched how the light brightened and dimmed near the event horizon of the Milky Way's supermassive black hole, ...

Looking for a sky event this week? Check out our full Sky This Week column. November 15: Ceres passes a double star Saturn's moon Iapetus reaches western elongation today, when it is at its brightest.