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Astronomy Essentials
Tonight
Visible planets and night sky guide for May
Visible planets and night sky guide. Look for the 1st quarter moon in Leo this evening. And don't miss Deborah Byrd's video about Venus and Jupiter!
May 23, 2026
Earth
The Atlantic hurricane season forecast for 2026 is out!
On May 21, 2026, NOAA came out with the forecast for the 2026 Atlantic hurricane season. The forecast calls for a below-average season.
May 22, 2026
Earth
Joplin tornado: 15-year anniversary of a disaster
It’s been 15 years since the Joplin tornado killed more than 150 people. What is the town of Joplin, Missouri, like today?
May 22, 2026
Brightest Stars
Meet Regulus, Leo the Lion’s Heart and brightest star
The bright star Regulus in Leo the Lion is prominent in the evening sky in May. It looks like a single point of light, but is really 4 stars.
May 22, 2026
Earth
Human World
2026 name list for Atlantic hurricanes: Is yours among them?
The forecasts for Atlantic hurricanes and tropical storms are out. And the hurricane names for 2026 are ready. What'll happen next?
May 21, 2026
Space
Ice volcanoes on Ganymede? New promising candidates found
Are there ice volcanoes on Ganymede? A new international study reveals several good candidates on Jupiter's large ocean moon.
May 21, 2026
Space
Searching for Earth-sized exoplanets with the POET mission
In 2029, Canada's POET mission will start searching for Earth-sized exoplanets as well as super-Earths. It will focus on smaller, cooler stars like red dwarfs.
May 21, 2026
Earth
Cumulonimbus clouds bring thunderstorms: How to spot them
Cumulonimbus clouds, sometimes called thunderheads, are towering formations that can bring severe storms such as hail, lightning, flooding and tornadoes.
May 21, 2026
Earth
Synchronous fireflies light up these national parks
The synchronous fireflies are back! These lightning bugs flash in harmony in the Great Smoky Mountains and other nearby parks from mid-May to mid-June.
May 20, 2026
Space
Psyche mission images of Mars flyby are here!
Psyche mission images of the Mars flyby are now here! See them here and read more about what Psyche learned as it passed the red planet.
May 20, 2026
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