Category: Solar System
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What’s Up: July 2026 Skywatching Tips from NASA
A predawn Moon-and-planets meetup, a returning comet, a great chance to see the Milky Way, and Saturn’s rings at a new angle. Skywatching Highlights Transcript An early morning hangout with the Moon and planets, a comet swings by, prime time…
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NASA’s Webb Finds Clues to Ancient, Distant Origin of Comet 3I/ATLAS
As interstellar comet 3I/ATLAS began moving away from the Sun in December 2025, astronomers took the opportunity to turn NASA’s powerful James Webb Space Telescope in its direction and capture detailed measurements of its chemical components. The comet was freshly…
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NASA’s Lucy Reveals Wobbling, Peanut-Shaped Asteroid
Even small asteroids lead complex lives. During its flyby of the asteroid Donaldjohanson last year, NASA’s Lucy spacecraft revealed the asteroid to be a wobbly, peanut-shaped body that has undergone a lot of activity in its relatively short history.
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What’s Up: June 2026 Skywatching Tips from NASA
Venus and Jupiter meet after sunset, the Moon passes in front of Venus, summer begins, and deep-sky treasures rise into view.
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NASA’s MAVEN Makes 1st Discovery of Atmospheric Effect at Mars
In December 2023, scientists looking at Mars data stumbled across something completely unexpected — observations of an atmospheric effect never before seen in the Red Planet’s atmosphere. Using instruments aboard NASA’s MAVEN (Mars Atmosphere and Volatile Evolution) mission, scientists identified…
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What’s Up: May 2026 Skywatching Tips from NASA
Shooting stars before dawn, a brilliant meetup between the Moon and Venus and a rare blue moon to end the month.
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What’s Up: April 2026 Skywatching Tips from NASA
Mercury shines at its brightest for the year, the Lyrid meteor shower peaks, and a bright new comet makes an appearance in April’s night sky.
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NASA’s Hubble Detects First-Ever Spin Reversal of Tiny Comet
Astronomers using NASA’s Hubble Space Telescope have found evidence that the spinning of a small comet slowed and then reversed its direction of rotation, offering a dramatic example of how volatile activity can affect the spin and physical evolution of…
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NASA Webb, Hubble Share Most Comprehensive View of Saturn to Date
NASA’s James Webb Space Telescope and Hubble Space Telescope have teamed up to capture new views of Saturn, revealing the planet in strikingly different ways. Observing in complementary wavelengths of light, the two space observatories provide scientists with a richer,…
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NASA’s Hubble Unexpectedly Catches Comet Breaking Up
In a happy twist of fate, NASA’s Hubble Space Telescope just witnessed a comet in the act of breaking apart. The chance of that happening while Hubble watched is extraordinarily minuscule. The findings published Wednesday in the journal Icarus. The…