Articles

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

Seeking Small Worlds

A spacecraft leaves one asteroid as planetary defense experts turn to others.

Saving the World One Asteroid at a Time

Don’t leave it up to cosmic fate; take action right now to defend our planet from dangerous impacts.

This Is What Legally Happens If An Uncontrolled Rocket Damages Something

Space lawyers explain what happens if an object from something like debris from a rocket causes damage or harm.

Moon, Mars and a Meteor Shower

Remembering a space pioneer and seeing a rover from a whole new perspective.

Shoemaker NEO Grant Winners Advance Their Work

We check in our last round of grant winners, who are helping to defend Earth from dangerous asteroids.

A Tiny Spacecraft Makes a Huge Leap with a Short Flight

Ingenuity flies on Mars and a NASA-SpaceX partnership paves the way for humans to get there too.

Why NASA Picked SpaceX to Land Humans on the Moon

NASA picked SpaceX's Starship to land humans on the Moon as part of the agency's Artemis program. The decision will help humans land on Mars.

A galaxy that spins in more ways than one

Listen to the sounds of the Whirlpool Galaxy and look back at our earliest picture of it.

Martian Ingenuity and Venusian imagination

Get a peek at the Martian moon and catch up on what the newest Mars explorer has been up to.

Recommendations for the Future of Canadian Space Exploration

The Planetary Society submitted these recommendations in response to the Canadian Space Agency's call for input on the future directions of Canada's space exploration activities.

NASA Mission to Venus in 1978 May Have Detected Phosphine, a Gas Related to Life

The data come from NASA’s Pioneer Venus Multiprobe mission, which deployed a series of probes into the planet’s clouds.

The Quest for Life on Venus

Did scientists detect a signature of life in Venus' clouds? Or will the bombshell finding be proven false?

Cosmic streaks, smudges, and fuzz

See images of the cosmos that reflect fascinating features of worlds and stars, and take action to advance exploration.

Curiosity's View From the Top of the Greenheugh Pediment

Life on Mars: Your Questions Answered

The red planet once had liquid water on the surface, and conditions that could have supported life.

Are the Universe's Smallest Stars Promising Places for Life?

Red dwarf stars are more common than our Sun. What are the prospects for life on exoplanets that orbit them?

The far reaches of the solar system and beyond

Take a look at distant worlds, far-out views of the cosmos, and even some remote possibilities with this week’s scoop on space news and solar system history.