Sept. 5, 2018, 5:47 p.m.

Summer Ship Tracks in the Pacific

Long, narrow clouds, known as ship tracks, stood out against the backdrop of marine clouds blanketing much of the North Pacific Ocean.

Summer Ship Tracks in the Pacific

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Imaging the Universe

March 8, 2018, 11:27 p.m.

Known as the 'Mother of Hubble,' Nancy Grace Roman is shown here at the Yerkes Observatory, University of Chicago in 1948, where she was studying for her doctorate in astronomy.

Imaging the Universe

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Oct. 11, 2017, 10:20 p.m.

May 12, 2019, 1:41 p.m.

March 15, 2020, 9:15 a.m.

March 16, 2020, 5:53 p.m.

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The Case of the Martian Boulder Piles on Science stuff

March 6, 2018, 10:45 p.m.

This image was originally meant to track the movement of sand dunes near the North Pole of Mars, but what's on the ground in between the dunes is just as interesting!

The Case of the Martian Boulder Piles

Dec. 30, 2019, 6:31 p.m.

March 22, 2020, 5:59 p.m.

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Jan. 27, 2018, 4:22 a.m.

March 19, 2020, 2:10 p.m.

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