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EarthSky Voices

Here are the US cities most vulnerable to space weather

Scientists identified Milwaukee and Washington, D.C., as US cities most vulnerable to space weather due to the connection of their transformers to the network.

Neutron-star jet sprays like a garden sprinkler

Astronomers using the MeerKAT radio telescope in South Africa have observed a neutron-star jet with an S shape for the first time.

Frog saunas could help frogs threatened by fungus

Frog saunas could help saved threatened frogs from the chytrid fungus, which has brought 90 species to extinction. Here's how you can help.

Evidence for intermediate-mass black hole in Omega Centauri

A new study finds strong evidence for an intermediate-mass black hole - an elusive type - in the Omega Centauri globular cluster.

M6 and M7: Open star clusters in the Scorpion’s Tail

M6 and M7 are star clusters near Scorpius’ stinger. But you’ll need a dark sky to see these faint but stunning stellar aggregations.

The electromagnetic spectrum: It’s more than visible light

The light our eyes can detect is only a sliver of the light out there. The electromagnetic spectrum describes all the wavelengths of light, seen and unseen.

Will the official definition of a planet change … again?

Astronomers will vote on a new definition of a planet in August 2024. The update would include exoplanets and set mass limits.

Map shows extreme heat hammering U.S. coasts

Extreme heat has hammered the U.S. already this summer. Take a look at a map of the states and read more about the heat on the East and West Coasts.

Lava lakes on Io: Juno zooms in on Io’s volcanoes

NASA's Juno spacecraft flew in close to Io and studied lava lakes, gleaning new information on the volcanic processes on this active volcanic moon.

Pillars of Creation visualized in multiwavelength 3D

NASA has released a new 3D visualization of the Pillars of Creation using data from NASA's Hubble and James Webb space telescopes.

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