Dr. Bradford Smith, NASA’s ‘Tour Guide for Voyager,’ Missions Dies at 86

Bradford Smith c.1981

Bradford Smith, a NASA astronomer who acted as planetary tour guide to the public with his interpretations of stunning images beamed back from Voyager missions, has died. Smith’s wife, Diane McGregor, said he died Tuesday at his home in Santa Fe, New Mexico, of complications from myasthenia gravis, an autoimmune…

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President Trump Announces Next-Generation ‘Space Force’ as an Independent Service Branch

Donald Trump Space Force

Vowing to reclaim U.S. leadership in space, President Donald Trump announced Monday he is directing the Pentagon to create a new “Space Force” as an independent service branch aimed at ensuring American supremacy in space. Trump envisioned a bright future for the U.S. space program, pledging to revive the country’s…

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NASA Discovers Mars Has a Magnetic Tail Twisted by Solar Wind

Artist’s conception of the complex magnetic field environment at Mars. Yellow lines represent magnetic field lines from the Sun carried by the solar wind, blue lines represent Martian surface magnetic fields, white sparks are reconnection activity, and red lines are reconnected magnetic fields that link the surface to space via…

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The Detection of Ripples in the Fabric of Spacetime Just Won a Nobel Prize

Making waves in the physics community. A visualization of how merging black holes create ripples in spacetime NASA Three American physicists won the 2017 Nobel Prize for work that enabled the first observation of gravitational waves—ripples in the fabric of spacetime. Rainer Weiss, Barry C. Barish, and Kip S. Thorne…

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