Celebrate International Moon Day with Starmus by sharing your best Moon images. Submit via Instagram DM for a chance to be ...

New findings about interstellar comet 3I/ATLAS reveal its surprising size, possible thick disk origin, and what makes it ...

Today in the history of astronomy, an eclipse isn’t the only stunning thing in the sky.

The solar system’s smallest planet comes to a standstill in the evening sky before starting its retrograde motion for the next few weeks.

At incredibly small scales, the universe operates according to the unfamiliar rules of quantum mechanics. And Planck’s ...

Newfound interstellar object 3I/ATLAS may be carrying pristine material from early in the Milky Way’s star-forming history.

Today in the history of astronomy, a star is captured in an astrophotography first.

Spot the Broken Engagement Ring asterism near Merak in Ursa Major, easily viewed with binoculars or a low-power telescope.

Early birds can catch our satellite just 3° from two giant planets in Pisces: lovely ringed Saturn and far distant Neptune.

The center of our galaxy is visible overnight on summer evenings, just off the tip of the Sagittarius Teapot’s spout in the ...

Kluger, who has written about the Apollo Program, talks about his new book: 'Gemini: Stepping Stone to the Moon, The Untold ...

The Senate appropriations committee challenges Trump’s 2026 budget, aiming to protect NASA Science and NSF from major cuts.