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EarthSky Voices

Which animals live on glaciers?

Icy glaciers and perennial snow patches provide a home or resting place for 19 species of birds and 16 species of mammals - 17, if humans are included.

How close to sending people to Mars?

There's now a target date of 2030 for a manned mission to Mars. But how close are we, really, to becoming Martians?

El Niño this year: What will it bring?

An El Niño is building that's expected to culminate in the fall and last until the winter and could possibly become a “mega” El Niño.

What is dark energy?

We need dark energy to explain why gravity seems to be driving galaxies in our universe apart instead of pulling them together.

Aryan Mishra invites teens to astronomy

Asteroid discoverer Aryan Mishra wants to open teens' eyes to the beautiful and amazing possibilities that cosmos has in store.

Can El Niño end California drought?

El Niño is expected to bring heavy rains to drought-stricken California. That prospect raises the question: what would it take for the drought to be over?

Did glaciers lure wolves back to California?

More than 90 years after California's last wolf was killed, a pack has been observed near Mt. Shasta. Are the mountain's glaciers a reason the wolves chose this location?

Liquid water elsewhere in our solar system?

If so, where are we likely to find it? Could we ever get to it? Would we be able to drink it? A planetary geoscientist explains.

Global warming makes California drought worse

A new study suggests that natural forces are behind California’s drought, but that global warming has contributed 8-27% to the drought’s severity.

Why do volcanoes erupt?

Volcanoes are channels that transfer molten rock from Earth’s crust to the surface. Here’s why eruptions happen.

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