Articles

A.J.S. Rayl

After wrapping the final science investigations on the slopes of Cape Tribulation, Opportunity climbed up and over the rim of Endeavour Crater in March and embarked on the journey south toward its next science target: Perseverance Valley.

Nathan Barba

Arizona State University graduate student Nathan Barba talks with some of JPL’s finest to get guidance and advice on how to join this illustrious group of space explorers.

Marc Rayman

Now in its third year of orbiting a distant dwarf planet, a spacecraft from Earth is as active as ever. Like a master artist, Dawn is working hard to add fine details to its stunning portrait of Ceres.

Bill Nye

The Planetary Society is joining the March for Science. Bill Nye is serving as an honorary co-chair, and our organization is an official partner. Here's why we're marching, and how to join us.

Jason Davis

A SpaceX Falcon 9 rocket booster recovered by a drone ship last year will be reflown later this week, marking what could be a new milestone in the quest for affordable spaceflight.

Anna Scott

There's no verdict quite yet on the giant planet's core, and scientists are still gathering clues about the accuracy of our current solar system formation models.

Björn Jónsson

Image processor Björn Jónsson shares some of his latest stunning images of Jupiter, created using data from NASA's Juno spacecraft.

Casey Dreier

We break down every sentence from Trump's new NASA budget, so you don't have to.

Jason Davis

NASA has only flown astronauts aboard a rocket's first flight once, when John Young and Bob Crippen took space shuttle Columbia on the boldest test flight in history. What are the risks of repeating the feat for SLS?

Joel Davis

Arabia Terra has always been a bit of a martian enigma. Planetary scientist Joel Davis takes us on a tour of its valley networks and their significance in telling the story of water on Mars.

Jason Davis

Following a pre-ship review at Planetary Society headquarters, LightSail 2 is ready to be integrated with its Prox-1 partner spacecraft. The final shipping schedule, however, has yet to be determined.

Wayne Hall

In Kentucky, some very driven people are writing their own chapter of space exploration based on vision, entrepreneurial risk, and scientific and engineering know-how. Wayne Hall shares their stories.

Jason Davis

NASA escaped a large-scale budget slash, and planetary science fared well. ARM is canceled, the Moon-versus-Mars debate is not mentioned, and Earth science stands to lose some missions.

Mark Showalter

Planetary astronomer Mark Showalter tells the story of when he became the first human to ever set eyes on Saturn's strange moon Pan in 1990.

Larry Crumpler

Opportunity has begun driving down a long southward slope in Endeavour, heading toward Perseverance Valley.

Larry Crumpler

For nearly two years, Opportunity's world has been tilted 10–25 degrees as it drove down to the lower slopes of the wall of Endeavour Crater. Toward the end of last week, Opportunity pulled itself up and over the lip of the crater.

Anatoly Zak

Could NASA and its international partners construct a space station in orbit around the Moon? Possible designs are being finalized, but the Trump administration has yet to weigh in on the agency's human spaceflight program.

Jason Davis

Our latest roundup of Cassini goodies from Saturn includes Pan, a ravioli-shaped moon that orbits inside the planet's ring system.

Jason Davis

World View, a self-described “stratospheric exploration” company, recently unveiled its new headquarters in Tucson, Arizona.

Emily Lakdawalla

This week MAVEN had to execute a short rocket burn in order to prevent a future collision with Phobos. Curiosity (and other rovers) may have played a role in those trajectory predictions.