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Photo: NASA/JPL-Caltech/University of Arizona

Even the most distant robotic explorers on Mars are never totally alone. NASA's Mars Reconnaissance Orbiter caught sight of the space agency's InSight lander on the Martian surface in September.

Why it matters: The remarkably clear photo taken by the MRO shows off the lander's circular solar panels on the sides of the spacecraft.

  • "The dark halo surrounding the spacecraft resulted from retrorocket thrusters scouring the surface during landing, while dust devils created the dark streaks that run diagonally across the surface," NASA said in an image description.

The intrigue: InSight's "mole" — designed to burrow below the Martian surface to learn more about the heat being emitted by the planet's interior — backed about halfway out of its hole, according to NASA, and mission managers are now working to figure out why and how to get the mole digging once more.

Go deeper

Updated 45 mins ago - Politics & Policy

Senate pulls all-nighter on amendments to COVID relief package

Photo: Alex Wong/Getty Images

Democratic leaders struck an agreement with Sen. Joe Manchin (D-W.V.) on emergency unemployment insurance late Friday, clearing the way for Senate action on President Biden's $1.9 trillion stimulus package to resume after an hours-long delay.

The state of play: The Senate continued to work through votes on a marathon of amendments overnight into Saturday morning.

The elusive political power of Mexican Americans

Data: Pew Research Center, U.S. Census Bureau; Chart: Michelle McGhee/Axios

Mexican Americans make up the nation's largest Latino group, yet they remain politically outshined by more recently arrived Cuban Americans.

Why it matters: The disparities in political power between Mexican Americans and Cuban Americans reflect the racial, historical, geographical and economic differences within Latino cultures in the U.S.

America's media habits divide along political and racial lines

Black social media users were twice as likely as white users to say they used a hashtag to promote a social or political issue, a Pew survey found. Photo: Wolfram Kastl/picture alliance via Getty Images

Race and identity play into the media platforms people use to advocate their politics, data show. 

Why it matters: People of color and Democrats are more likely to take to social platforms like Twitter to advocate for a cause, and to say that seeing something on social media changed their views. Republicans are increasingly turning to partisan outlets on TV, print and audio.