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The author on writing her book, Our Moon, about the power of our satellite to guide evolution and human curiosity.

Did a colossal collision with a doomed planet give us our satellite?

My favorite readings for my students.

The aurora sizzles with sound, and we can hear it on Earth.

Probing our sense of mystery and wonder.

What Shark Tank pitches, Sundance films, and unusual sandwiches show us about our choices.

There are five times as many beetle species as fish, reptile, bird, amphibian, and mammal species combined.

What a trippy gravitational phenomenon can tell us about the universe.

Scientists can now study species in the deepest, darkest parts of the ocean.

Over a third of all species of trees on the planet may face extinction.

The music of the cosmos is stranger than you think.