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Blogs

Meet our bloggers...CEO, Bill Nye, Emily Lakdawalla, Bruce Betts, Mat Kaplan, Casey Dreier, and a host of expert and entertaining voices from throughout our vast space community.

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Let’s be careful about this “SETI” signal

Posted by Franck Marchis on 2016/08/30 12:19 CDT | 4 comments

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.

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Will Juno’s Instruments Observe the Moons of Jupiter?

Posted by Candice Hansen on 2016/08/30 10:38 CDT

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.

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Selecting the Next New Frontiers Mission

Posted by Van Kane on 2016/08/29 08:09 CDT | 8 comments

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.

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Juno's first Jupiter close approach successful; best JunoCam images yet to come

Posted by Emily Lakdawalla on 2016/08/27 08:07 CDT | 9 comments

NASA announced this afternoon that Juno passed through its first perijove since entering orbit successfully, with science instruments operating all the way. This is a huge relief, given all the unknowns about the effects of Jupiter's nasty radiation environment on its brand-new orbiter.

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

Posted by Franck Marchis on 2016/08/24 12:01 CDT | 18 comments

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.

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How big is that butte?

Posted by Emily Lakdawalla on 2016/08/23 05:09 CDT | 4 comments

Whenever I share images from Curiosity, among the most common questions I’m asked is “what is the scale of this image?” With help from imaging enthusiast Seán Doran, I can answer that question for some of the Murray buttes.

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JunoCam "Marble Movie" data available

Posted by Emily Lakdawalla on 2016/08/22 04:56 CDT | 11 comments

Since a few days after entering orbit, JunoCam has been taking photos of Jupiter every fifteen minutes, accumulating a trove of data that can be assembled into a movie of the planet.

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Space in transition: How Obama's White House charted a new course for NASA

Posted by Jason Davis on 2016/08/22 06:04 CDT | 7 comments

Our Horizon Goal series on NASA's human spaceflight program continues with part 3, in which newly elected President Barack Obama and his transition team search for a NASA administrator, commission a review of the Constellation program and decide whether to extend the life of the ISS.

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OSIRIS-REx launch preview

Posted by Emily Lakdawalla on 2016/08/17 03:34 CDT | 1 comment

Launch day is coming for NASA's next interplanetary explorer! OSIRIS-REx is on schedule for launch on September 8, 2016 at 19:05 EDT (16:05 PDT, 23:05 UTC) from Cape Canaveral Air Force Station. OSIRIS-REx is the first NASA planetary launch since MAVEN in 2013, and will be the last until InSight in 2018.

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Gullies on Mars: Wet or Dry (Ice)?

Posted by Tanya Harrison on 2016/08/17 08:02 CDT | 1 comment

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?

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