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BepiColombo Earth flyby

Europe and Japan's BepiColombo spacecraft, which launched in 2018, will fly by Earth on 10 April and use our planet's gravity to swing towards the inner solar system. Learn more about this mission and why we study Mercury.

Apollo 13 50th Anniversary

The Planetary Society is celebrating the 50th anniversary of Apollo 13, which launched on 11 April 1970. Disaster struck on 13 April, prompting the crew's infamous "Houston, we've had a problem" call for help. Learn what happened, and how NASA got the astronauts home safely on 17 April.

More Apollo resources

Blogs & Articles

A Sky Full of Stars

Bill Dunford • March 09, 2015 • 3

In pictures of the planets, the stars aren't usually visible. But when they do appear, they're spectacular.

Cassini begins a year of icy moon encounters with a flyby of Rhea

Emily Lakdawalla • February 12, 2015 • 5

At last! Cassini is orbiting in Saturn's ring plane again. I do enjoy the dramatic photographs of Saturn's open ring system that Cassini can get from an inclined orbit, and we won't be getting those again for another year. But with an orbit close to the ring plane, Cassini can repeatedly encounter Saturn's icy moons, and icy moon flybys are my favorite thing about the Cassini mission.

FOIA Request Sheds Light on NASA Mission Extension Process

Jason Davis • February 06, 2015 • 3

A FOIA request offers insight into NASA's planetary science extended mission review process, which seems, at best, confusing, and at worst—with adjectival ratings like “Very Good/Good”—arbitrary.

Ceres Coming Into View

Paul Schenk • February 03, 2015 • 1

Dawn is on approach to Ceres, the largest of the asteroids, and is starting to resolve features.

Flawed Beauties

Bill Dunford • February 02, 2015 • 1

More examples of imperfect--but tantalizing--images from deep space.

Fountains of Water Vapor and Ice

Deepak Dhingra • January 22, 2015 • 2

Deepak Dhingra shares some of the latest research on Enceladus' geysers presented at the American Geophysical Union (AGU) Fall Meeting in San Francisco last month.

Riding With Cassini Through 2014

Bill Dunford • December 31, 2014 • 1

Video: see some of the sights Cassini saw this year.

Planetary exploration in 2015: The Year of the Dwarf Planet

Emily Lakdawalla • December 31, 2014 • 8

Looking ahead to what we can expect from Earth's exploration of the rest of the solar system in 2015, there's an obvious theme: Dwarf planets.

A (Difficult) Day in the Solar System

Bill Dunford • October 30, 2014 • 13

After a bad day on the launch pad, some perspective.

Cassini's awesomeness fully funded through mission's dramatic end in 2017

Emily Lakdawalla • September 03, 2014 • 9

Last year, rumors swirled that NASA may be so pinched for dollars that the agency might end the Cassini mission early. Today, Cassini received the welcome news that it has formally been funded through the planned end of its extended-extended mission in 2017. A huge congratulations to the Cassini mission!

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