Every night, astronomers must carefully assess changing weather, the intensity of moonlight and shifting atmospheric conditions before deciding where to point a telescope. It's a constant balancing ...

When astronomers talk about directly imaging an exoplanet orbiting a faraway star, the analogy they most commonly use is ...

Ever since that first daguerreotype on a light-sensitive metal plate, eclipse observations have continued to unveil the ...

Using the new Vera C. Rubin Observatory, astronomers are beginning the largest and deepest survey of the sky. What will they ...