6+ hour, 50+ min ago   (371+ words) Capturing space exploration in 2025. The Downlink " Feb 06, 2026 The next launch window for Artemis II opens on March 6. When the mission takes off, it will send humans back to the Moon for the first time since 1972. It will also be the…...

1+ week, 6+ hour ago   (366+ words) Capturing space exploration in 2025. The Downlink " Jan 30, 2026 Creating an artificial solar eclipse in space is no easy feat. Proba-3s two spacecraft must hold millimeter-level alignment so the occulter spacecrafts shadow falls exactly on the other spacecrafts coronagraph; any slip and…...

4+ week, 6+ hour ago   (508+ words) Capturing space exploration in 2025. The Downlink " Jan 09, 2026 You might think that astronomers were having a little fun when they chose the name "Cloud-9" for the newly-discovered dark matter cloud. But its idiomatic familiarity is just a coincidence: Cloud-9 was named…...

1+ mon, 2+ week ago   (268+ words) Capturing space exploration in 2025. Written by Mat Kaplan Senior Communications Adviser and former Host of Planetary Radio, The Planetary Society December 18, 2025 Read any good books lately? Members of The Planetary Society's book club have read at least 12! We've also enjoyed…...

2+ mon, 3+ week ago   (822+ words) How Earth shapes our exploration of other worlds. Know the Cosmos and our place within it. In 2025, The Planetary Society advanced its mission to empower the world's citizens to advocate for space science and exploration. Through advocacy, education, science, and…...

3+ mon, 3+ day ago   (142+ words) How Earth shapes our exploration of other worlds. Know the Cosmos and our place within it. Over the past year, a lot has happened in space science and exploration. What were the highlights for you? Cast your vote today! Best…...

4+ mon, 3+ week ago   (82+ words) How Earth shapes our exploration of other worlds. Know the Cosmos and our place within it. The STEP grant program donation page is currently offline. If you'd like to make a gift, please call the Membership Department at (626) 793-5100, Monday through…...

7+ mon, 1+ week ago   (689+ words) Our dynamic star's reach throughout the Solar System. Know the Cosmos and our place within it. Written by Jack Kiraly Director of Government Relations, The Planetary Society June 26, 2025 Since January 1 of this year, we've held more events, appeared in more…...

7+ mon, 1+ week ago   (45+ words) The Planetary Society is the largest and most effective nonprofit organization that promotes the exploration of space through education, advocacy, and innovative projects. Our dynamic star's reach throughout the Solar System. Know the Cosmos and our place within it. You…...

7+ mon, 2+ week ago   (451+ words) Our dynamic star's reach throughout the Solar System. Know the Cosmos and our place within it. The Downlink " Jun 20, 2025 The Moon was once volcanically active, with volcanoes producing enough gases to form an atmosphere twice as thick as Mars" current…...