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Deborah Byrd

Tides, and the pull of the moon and sun

Expect higher-than-usual tides for a few days following the May 25, 2017 new supermoon.

Today in science: Kennedy’s moon speech

On May 25, 1961, John F. Kennedy gave a stirring speech to a joint session of Congress, inspiring a nation to land humans on the moon with a decade.

What is a supermoon?

By at least 1 definition, the year 2017 has 4 supermoons. Three are new moons and not visible in our sky. The only full moon supermoon of 2017 will come in December.

May 25 new moon is a supermoon

It’s not just any supermoon, but the closest and largest supermoon of 2017. The young moon that follows this new moon will mark the beginning of Ramadan.

River of Mist, Yosemite National Park

Yosemite National Park, in northern California, is one of the most beautiful parks in the world. It set a record in 2016 with over 5 million visitors.

Which moon phase best for stargazing?

Most astronomers would tell you that the best moon is no moon.

Brown dwarf launches a vast jet

For the first time, astronomers have found a spectacularly long jet – nearly a light-year long – from a brown dwarf.

Does our sun have a name?

You’ve probably heard star names, such as Polaris or Betelgeuse. But what about our star? Does the sun have a name, and if so what is it?

Monday morning’s moon and Venus

Photos of the beautiful conjunction of the moon and Venus – Monday morning, May 22, 2017 – from the EarthSky community.

Will you see the moon and Mercury?

The farther south you are on Earth’s globe, the better view you’ll have of the very thin waning moon and Mercury at Tuesday’s dawn.