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Blog Archive

 

New report explores threat from near-Earth asteroids

Jason Davis • June 20, 2018

How dangerous are near-Earth asteroids, and what will we do if we find one headed toward Earth?

Rotatin' Ryugu!

Jason Davis • June 18, 2018

Hayabusa2 continues to approach asteroid Ryugu, revealing the 900-meter-wide world in all its glory.

The Mars Exploration Rovers Update Special Report: Opportunity Pummeled by Massive Dust Storm, Hunkers Down to Sleep

A.J.S. Rayl • June 15, 2018

Entrenched in the west rim of Endeavour Crater, veteran robot field geologist Opportunity is hunkered down in Perseverance Valley in a kind of hibernation mode.

Dawn Journal: Spiralling Down

Marc Rayman • June 15, 2018

Propelled by the perfect combination of xenon ions, hydrazine rocket propellant and adrenaline, Dawn is on the verge of its most ambitious exploits yet.

How China's lunar relay satellite arrived in its final orbit

Luyuan Xu • June 15, 2018

It took 24 days for Queiqiao to reach an Earth-Moon L2 halo orbit.

NASA's 2019 Budget Takes Shape

Casey Dreier • June 15, 2018

The Senate and House have now released details of how they would fund NASA in 2019. Check out the good, bad, and ugly in these proposals and learn what happens next.

Favorite Astro Plots: The Pyroxene Quadrilateral

Melissa Lane • June 15, 2018

Petrology is a field of science in which scientists study the compositions of rocks and minerals and interpret their geologic history. A common graph petrologists use is the “pyroxene quadrilateral.” These graphs, like photos of space, can reveal an understanding of the remotest parts of the solar system.

Chinese satellite snags new views of Earth from lunar orbit

Jason Davis • June 14, 2018

See the world through the eyes of Longjiang-2.

Hayabusa2: Ryugu takes shape

Emily Lakdawalla • June 14, 2018

Hayabusa2 is now less than 1000 kilometers away from Ryugu, and the tiny asteroid is beginning to betray its shape.

Get ready for OSIRIS-REx at Bennu! ...but be patient.

Emily Lakdawalla • June 12, 2018

NASA's OSIRIS-REx will get the first sight of its target Bennu in August and go into orbit in December.

Meet MMX, Japan's sample return mission to Phobos

Jason Davis • June 11, 2018

NASA is providing an instrument for the mission, which will try to uncover the origins of Phobos and Deimos.

Reaching Higher for Space

Bill Nye • June 08, 2018

We humans have always looked to the night sky and pondered our place in the cosmos.

Hayabusa2's Approach phase has begun with a new photo of Ryugu!

Emily Lakdawalla • June 07, 2018

On June 3, Hayabusa2 ended use of its ion engines, for now, and is coasting the remaining distance toward Ryugu. It's using an optical navigation camera to image the asteroid's position against a field of background stars to help it navigate.

A Planetary Vacuum Successfully Takes a Rocket Ride

Bruce Betts • June 07, 2018

Rocket science met planetary science in the California desert when PlanetVac, a new planetary surface sampling technique, was successfully tested on a Xodiac rocket.

NASA is beloved—the Moon not so much

Casey Dreier • June 06, 2018

A new poll shows broad support for space exploration in the United States. But sending astronauts to the Moon ranks as the lowest priority among the public.

Big news from the magnetosphere

Geoffrey Reeves • June 05, 2018

At five years and counting, the Van Allen Probes mission continues to reshape our thinking about how Earth’s radiation belts flex and reconfigure under the influence of solar storms.

A WIYN-win partnership

Jason Davis • June 04, 2018

NASA and the National Science Foundation are teaming up to observe exoplanets discovered by Kepler and TESS.

The Mars Exploration Rovers Update: Opportunity Makes Tracks on Magical Mystery Tour of Different Rocks

A.J.S. Rayl • June 02, 2018

Opportunity continued exploring the south trough of Perseverance in May, still looking for evidence that explains just how this one-of-a-kind valley meandering through Endeavour Crater’s rim formed.

So you need questions answered about space

Emily Lakdawalla • June 01, 2018

A post for kids whose teachers have told them to send emails to scientists asking questions.

Mars' growth stunted!

Sean Raymond • June 01, 2018

Mars is a weirdo. (Well, as far as planets go).

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