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Dawn Journal: Diving Low

Marc Rayman • September 01, 2016 • 11

Following the conclusion of Dawn's ambitious 8.8-year prime mission on June 30, the spacecraft has been gathering a wealth of data with all sensors in its extended mission as it orbits closer to Ceres than the International Space Station is to Earth.

Let’s be careful about this “SETI” signal

Franck Marchis • August 30, 2016 • 10

Several readers have contacted me recently about reports that a group of international astronomers have detected a strong signal coming from a distant star that could be a sign of a high-technology civilization. Here’s my reaction: it’s interesting, but it’s definitely not the sign of an alien civilization—at least not yet.

Will Juno’s Instruments Observe the Moons of Jupiter?

Candice Hansen • August 30, 2016 • 2

It is not easy to observe Jupiter’s moons as more than points of light with Juno, because Juno will never get very close to any of the moons, but as its orbit shifts there will be opportunities to collect data on some of the moons.

Selecting the Next New Frontiers Mission

Van Kane • August 29, 2016 • 13

NASA’s managers have begun the process for a competition to select a new planetary mission to launch in the mid-2020s that will address one of the most important questions in planetary science.

Proxima Centauri b: Have we just found Earth’s cousin right on our doorstep?

Franck Marchis • August 24, 2016 • 19

What began as a tantalizing rumor has just become an astonishing fact. Today a group of thirty-one scientists announced the discovery of a terrestrial exoplanet orbiting Proxima Centauri. The discovery of this planet, Proxima Centauri b, is a huge breakthrough not just for astronomers but for all of us. Here’s why.

Gullies on Mars: Wet or Dry (Ice)?

Tanya Harrison • August 17, 2016 • 1

Martian gullies were in the spotlight last week thanks to a NASA press release stating they were "likely not formed by liquid water" based on spectral results. But how does this stack up against their morphology?

Juno’s other ‘cameras’

Anna Scott • August 16, 2016 • 3

Juno’s science goals are to understand the origin and interior of Jupiter, focusing specifically on its atmosphere and magnetic field. Cameras can help answer some of these questions.

The Many Names of WFIRST

Jason Rhodes • August 10, 2016 • 3

NASA’s next big “flagship” astronomy mission, following the ambitious James Webb Space Telescope due to be launched in 2018, is currently known as the Wide Field Infrared Survey Telescope (WFIRST)—but it's had a slew of different names.

Half the Park is After Dark: Stargazers Celebrate U.S. National Parks Centennial

CaLisa Lee • August 08, 2016

On August 25th, 2016, the U.S. National Park Service is celebrating its Centennial. That’s 100 years of protecting the lands and the night skies so that people from around the world and all walks of life can come and see the stars!

We’re building the STEAM Team!

Kate Howells • August 05, 2016

We know, as well as you do, that if we want to see a great future – one where humans explore, understand, and benefit from space – we need to invest right now in the people who will be leading the way. To empower the world’s youth, we need to educate them. And to educate them, we need to inspire them.

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