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Magnetic north is shifting fast. What’ll happen to the northern lights?
As magnetic north shifts increasingly away from the geologic north pole - towards Siberia - studies suggest the northern lights could move with it.
May 22, 2019
See Beresheet spacecraft’s impact site on moon
NASA released before and after images of the spot on the moon where Israel’s Beresheet spacecraft crash-landed on April 11.
May 22, 2019
Scientists find new periodic water cycle on Mars
A new study shows that Mars has a unique water vapor cycle that occurs only once about every 2 years. The cycle might help explain how Mars lost most of its water.
May 21, 2019
Moon and Saturn up around midnight May 21
On May 21, 2019, the moon rises in between the planets Jupiter and Saturn. Saturn doesn't rise until the middle of the night; if you're not a night owl, watch for them before sunup on the morning of May 22.
May 21, 2019
Close encounter sets galaxy ablaze with new stars
A cosmic collision in action. Read more about what happens when 2 galaxies sideswipe each other.
May 20, 2019
Spring versus winter
Alessandra Cailotto took this photo of flowers peeking through the snow in northern Italy on May 7. She wrote, "Spring vs winter: 1-0."
May 20, 2019
How some planets can survive their stars’ deaths
A new "survival guide for exoplanets" outlines how different kinds of planets fare when their host star dies. It suggests the smallest rocky worlds are the most likely to escape annihilation.
May 19, 2019
Lush underwater forests … in the Arctic
Did you know that there are hidden underwater forests of large brown seaweeds (kelps) in the Arctic? As temperatures warm, the forests are expanding.
May 19, 2019
Bound for Mars in 2020
The spacecraft for NASA's next Mars mission - Mars 2020 - is really beginning to take shape now. Here's the complete cruise stage, suspended in a cleanroom at JPL. It'll power and guide the spacecraft on its 7-month voyage to Mars.
May 19, 2019
Moon, Antares, Jupiter on May 19 and 20
On May 19 and 20, 2019, watch for the moon and Jupiter to rise into your eastern sky roughly two hours after sunset.
May 19, 2019
