Santa Visits Artemis II Rocket

NASA engineer Guy Naylor poses for a photograph wearing a custom Santa Claus suit on the…

Earth’s radio bubble marks how far our signals have traveled

This image shows how far Earth’s radio broadcasts traveled across our Milky Way galaxy. No, not…

More than 100 moons were discovered in our own solar system in 2025

Uranus’s new moon, S/2025 U1, was spotted using the James Webb Space Telescope NASA/ESA/CSA/STScI/M. El Moutamid…

SpaceWeekly News Summary December 14-21, 2025

This Week in Space – December 14-21, 2025 🚀 Artemis Program Progress Artemis II Crew Launch…

Job opening: Director of Strategic Giving

Position Summary The Planetary Society seeks a strategic and relationship-driven fundraising professional to serve as its…

Artemis II Crew Launch Day Rehearsal

From left to right, CSA (Canadian Space Agency) astronaut Jeremy Hansen and NASA astronauts Christina Koch,…

Rogue worlds and the boundaries of planethood

Rogue worlds two ways How does a planet find itself drifting alone through space? There are…

See the top 10 stories of 2025 from EarthSky

View larger. | The Hubble Space Telescope captured this image of the interstellar comet 3I/ATLAS on…

Solar wind ‘U-turn’ spotted by Parker Solar Probe

These images of our star’s solar wind, captured by NASA’s Parker Solar Probe, show a phenomenon…

Europa’s thick ice may hinder the search for life in its oceans

Europa has a vast, salty ocean covered by a thick shell of ice Claudio Caridi /…