The Planetary Society announces a new partnership with GalaxyBox - the subscription box for space enthusiasts.

Join us with Jenn Vaughn, CEO of The Planetary Society, in cities across the country for an intimate gathering of Planetary Society members. Share your passion for space exploration, get an exclusive ...

The Planetary Science Budget Dataset integrates the spending history, by year, of every NASA planetary science mission and related activities. This integrated, annualized dataset enables improved ...

The Mars Science Laboratory (MSL) Curiosity project cost $2.53 billion, of which $2.42 billion was for spacecraft development and launch, and $116 million was for 98 weeks of operations during its ...

South Korea launched Danuri (also known as the Korean Pathfinder Lunar Orbiter or KPLO) to the Moon on Aug. 5, 2022. It entered lunar orbit in December. Danuri is studying the Moon’s surface and help ...

The Viking missions cost $1.06 billion, which paid for two orbiters and two landers that successfully touched down on Mars in 1976. This was a substantial investment, and, when adjusted for inflation, ...

Did you know that the Moon looks different from Earth’s northern and southern hemispheres? Someone looking at the Moon from our north pole would see it upside down compared to someone seeing it from ...

Annular eclipses are a very special type of solar eclipse. During an annular eclipse, the Moon is centered in front of the Sun but doesn’t completely obscure it, instead leaving a ring of sunlight ...

This is your one-stop space exploration and astronomy calendar for 2026: from mission launches and space exploration milestones to celestial events and exciting changes in our Solar System, it’s all ...

Chandrayaan-3 was a Moon lander and rover mission by India’s space agency. The spacecraft launched on July 14, 2023 and touched down in the Moon’s south polar region on August 23, 2023. The ...

What are solar eclipse glasses? Solar eclipse glasses use lenses that are made of black polymer, a flexible resin infused with carbon particles. They are about 100,000 times darker than ordinary ...

There are a few questions that we get all the time at The Planetary Society. Look up at space at night from a dark location and you can see innumerable stars. Why, then, do photos of things in space ...