Messier 78 is a reflection nebula, meaning its dust is being illuminated by a nearby star. The wispy gray-blue cloud is surrounded by stars in this view from Blanco, Texas.
Users really trust AI chatbots, some experts say too much.
Van Gogh had an "inseparable relationship" with the stars—and his timeless works of art capture his fascination with the night sky.
Its origin remains unknown.
A surprising new discovery shows that white dwarfs can glow in green, pink, and purple.
A recent finding could help trace the origins of mysterious gamma rays in the distant cosmos.
A new type of object found in the early universe has puzzled astronomers for years, but they may finally have some answers.