Articles

Stories, updates, insights, and original analysis from The Planetary Society.

Asteroid samples from another world

The OSIRIS-REx team explains the journey home.

Five asteroid deflection techniques to save the Earth

Kinetic impactor or nuclear blast? Here are some ways to defend our planet from a dangerous asteroid.

Hard-working spacecraft and even harder-working microbes

The Soyuz spacecraft have been helping humans get to and from space for decades, but that’s nothing compared to the billions of years that microorganisms have been making life on Earth possible.

Meet the Solar System's five official dwarf planets

The International Astronomical Union currently recognizes five dwarf planets: Ceres, Pluto, Haumea, Makemake, and Eris.

Asteroids worth getting psyched about

New discoveries from Ryugu, material heading our way from Bennu, and anticipation for a mission to Psyche.

Volcanic Venus, myriad moons, and space sonification

Learn all about the possible volcanic activity found on Venus, the facts about a hyped-up near-Earth asteroid, Jupiter’s newest moons, and what space images sound like.

Spectacularly crepuscular!

Curiosity captures crepuscular rays on Mars, a new member community launches, and solar sailing takes exploration into the future.

Never let a rock sneak up on you

Finding asteroids before they hit Earth not only protects us from harm, it can also yield beautiful photos.

What was the Chelyabinsk meteor event?

When an asteroid exploded in the atmosphere above Chelyabinsk, Russia on Feb. 15, 2013, it made history and underscored the importance of planetary defense.

What does a bear have in common with a megatsunami?

An old image of Mars drives scientific questions today, moons and mini asteroids fuel fascination, and an unexpected ursine figure shows itself.

Tianwen-2: China’s Near-Earth asteroid and comet double-header

China is gearing up for an ambitious combined mission to collect samples from a near-Earth asteroid, deliver the material to Earth, and then head off back into deep space to study a comet.

Worthy goals for a lifelong love of space

Our new list of Space Life Goals will help inspire your passion for space. Catch up on this week’s space news, and tick off a few goals while you’re at it.