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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.

How big is that butte?

Emily Lakdawalla • August 23, 2016 • 4

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.

JunoCam "Marble Movie" data available

Emily Lakdawalla • August 22, 2016 • 11

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.

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

Jason Davis • August 22, 2016 • 7

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.

OSIRIS-REx launch preview

Emily Lakdawalla • August 17, 2016 • 1

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.

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.

Russia may lower its ISS crew complement from three to two

Jason Davis • August 15, 2016 • 2

A Russian newspaper report, confirmed today by NASA, says Roscosmos may lower its ISS cosmonaut complement from three to two.

Photos: OSIRIS-REx prepares for launch

Emily Lakdawalla • August 15, 2016

Only 24 days remain until the opening of OSIRIS-REx's launch period, and final preparations are underway. There is a lot to do in the final months before a launch, but things seem to be going well.

Curiosity update, sols 1373-1427: Driving up to Murray buttes, drilling at Marimba

Emily Lakdawalla • August 11, 2016 • 1

Curiosity has now covered most of the flat ground that lay between the Naukluft plateau and the Murray buttes. The mission took only 11 days to complete drilling work at Marimba, despite a recurrence of a problematic short in the drill. The rover is ready to drive in among the buttes, shooting spectacular photos along the way.

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