1
China lands Chang'e-4 on far side of Moon
It’s a space feat no nation has accomplished until now.
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2
LightSail 2 Spacecraft Successfully Demonstrates Flight by Light
In the past 4 days, the spacecraft has raised its orbital high point, or apogee, by about 2 kilometers.
3
LightSail Test Mission Declared Success; First Image Complete
The Planetary Society’s LightSail test mission successfully completed its primary objective of deploying a solar sail in low-Earth orbit.
4
Forensic Ballistics: How Apollo 12 Helped Solve the Skydiver Meteorite Mystery
What can a 45-year-old mission to the Moon tell us about a
5
Why is only half of Mars magnetized?
An article in the September 26 issue of Science neatly explains why only the southern half of Mars is strongly magnetized.
6
ICE/ISEE-3 to return to an Earth no longer capable of speaking to it
It's with great sadness that I report that the Goddard Space Flight Center team has determined that we will not be able to regain control of the venerable…
7
New Horizons enters safe mode 10 days before Pluto flyby
New Horizons decided to put on a little 4th of July drama for the mission's fans. It's currently in safe mode, and it will likely be a day or two before…
8
An Israeli spacecraft is gearing up for a 2019 Moon mission
SpaceIL, a privately funded Israeli non-profit, will attempt to land a small spacecraft on the Moon in early 2019.
9
Ceres' Deepening Mysteries
Even as we discover more about Ceres, some mysteries only deepen. Mission Director Marc Rayman gives an update on Dawn as it moves ever closer to its next…
10
Why it takes so long to get data back from New Horizons
As I write this post, New Horizons is nearing the end of a weeklong optical navigation campaign. The last optical navigation images in the weeklong series…
11
A young Venus had water for 2B years, habitable for longer than Mars
Venus hosts brutal conditions today, but the planet may have once been more hospitable to life.
12
How much did the Apollo program cost?
The U.S spent $25.8 billion on Project Apollo ($309 billion when adjusted for inflation). This dataset provides annual expenditures and additional cost…