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This Martian Lava Tube Skylight is 50 Meters Across. The Biggest Lava Tube on Earth is Only 15 Meters Across

NASA's Mariner 9 was the first spacecraft to orbit another planet when it reached Mars in late 1971. It got…

1 week ago

Time Flies. NASA Releases a Mosaic of TESS’ View of the Northern Sky After Two Years of Operation

NASA's TESS planet-finding spacecraft completed its primary mission about 3 months ago. TESS's (Transiting Exoplanet Survey Satellite) job was to…

2 weeks ago

Machine Learning Software is Now Doing the Exhausting Task of Counting Craters On Mars

Does the life of an astronomer or planetary scientists seem exciting? Sitting in an observatory, sipping warm cocoa, with high-tech…

2 weeks ago

The Newest Picture of Jupiter and Europa Captured by Hubble

The venerable Hubble Space Telescope has given us another gorgeous picture of Jupiter and its moon Europa. The incredibly sharp…

3 weeks ago

Vera Rubin’s Monster 3200-Megapixel Camera Takes its First Picture (in the Lab)

The Vera C. Rubin Observatory has taken another step towards first light, projected for some time in 2022. Its enormous…

1 month ago

Neptune & Triton – August 31, 1989.

Image-processor extraordinaire Kevin Gill has reached back in time to give us a new image of Neptune and its moon…

2 months ago

Wow! An Actual Picture of Multiple Planets Orbiting a Sunlike Star

We've detected thousands of exoplanets, but for the most part, nobody's ever seen them. They're really just data, and graphs…

3 months ago

Parker Solar Probe Gives a Unique Perspective on Comet NEOWISE

Comet watchers have enjoying the newly-discovered NEOWISE comet since it was first spotted in March 2020. Now that it's visible…

3 months ago

Last Year’s Total Solar Eclipse on Earth, Seen From the Moon

On July 2, 2019, the Moon cast its shadow on the surface of the Earth. This time, the shadow's path…

4 months ago

Amazing View of How Dust Storms Grow on Mars

In 2018, Mars experienced one of its global dust storms, a phenomenon seen nowhere else. As science would have it,…

4 months ago