Play with our timeline to see the swings in the planets’ distances from Earth. Find the Moon’s illumination, distance, and latitude for any time on any date. Check the best dates and timings …

Discover celestial objects visible tonight from your current location. Our guide automatically shows planets, stars, nebulae, and spacecraft flyovers you can see right now. Explore the night sky …

Use this form to visualize the position of Solar System objects at given date and time on an interactive sky map. This observing guide helps you plan your Solar System observations. It's …

An online interactive planetarium application to explore the night sky and find constellations, planets, asteroids and other celestial objects visible from any location.

2 days ago · The fantastic planet parades we saw earlier in 2025 are gone. But the sky always has more. Join EarthSky’s founder Deborah Byrd as she provides details on the 5 must-see …

Watch the International Space Station pass overhead! It is the third brightest object in the sky and easy to spot if you know when to look up. NASA’s Spot the Station mobile application and …

Mar 28, 2025 · See Bob King's article and charts at T CrB Not the Only Star Ready to Blow; Meet U Gem. MONDAY, MARCH 31 The two biggest open clusters in the starry sky are the Hyades …

Nov 4, 2024 · The Hubble Skymap puts the night sky at your fingertips any time of day. Roam the Milky Way to find a selection of galaxies, stars, nebulae and more, and click for a Hubble's-eye …

2 days ago · Stellarium Web is a planetarium running in your web browser. It shows a realistic star map, just like what you see with the naked eye, binoculars or a telescope.

Mar 5, 2025 · A detailed guide to the night sky written by a NASA expert featuring full Moon lore, asteroid flybys, stars, galaxies, constellations, and more.