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?
Sun
Sun news: A sun-diving comet goes … poof!
Sun news for May 22, 2026: Sun flare activity increased over the past day. And we watched a comet dive into the sun!
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.
Astronomy Essentials
Tonight

Visible planets and night sky guide for May

Visible planets and night sky guide. Look for the moon near Leo this evening. And don't miss Deborah Byrd's video about Venus and Jupiter!
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?
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.
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.
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.
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.
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.