These are the top space stories this week from Space.com.
Mars, the Red Planet, is the fourth planet from the sun.
The competition to name NASA's next Mars rover has entered a new phase, with the space agency culling the field from 28,000 down to 155.
The first pristine pieces of Mars won't be coming down to Earth for at least another decade, but the time to start preparing society for the epic arrival is now, scientists say.
One of the members of NASA's newest astronaut class graduating today (Jan. 10) might be the next to walk on the moon and perhaps might even be the first to set foot on Mars.
Why is Mars dry? Water might escape the atmosphere more effectively than previously thought, potentially helping to explain how the Red Planet lost its vast oceans.
This past Saturday (Jan. 4) in Hawaii, on the remote slopes of Mauna Loa, the largest volcano in the world, six scientists embarked on a historic "mission to Mars."
The 2010s saw big advances in Mars exploration, but the new decade may bring even more exciting Red Planet news.
From commercial crew to a flood of Mars missions, 2020 promises to be an exciting year for spaceflight.
NASA's Mars 2020 rover has taken its first test drive, representing a significant milestone in preparing to launch to the Red Planet next summer.
As the 2010s come to a close, it's time to revisit how some of the biggest space science stories shaped the decade.
Three lunar missions, commercial spaceflight milestones, the first all-woman spacewalk — 2019 was a busy year in space for public and private entities alike.
Although it isn't Santa Claus, something red will shine in the night sky just below the moon days before Christmas.
The troubled "mole" on NASA's InSight Mars lander is moving again, even as scientists working on the robot's seismometer ponder new marsquake mysteries.
A brief spacecraft encounter with the Martian moon Phobos shows off the tiny world's surface in detail.
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