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About 100 years ago Henrietta Swan Leavitt helped prove the existence of other galaxies. She is still inspiring astronomers today (infographic).

Abigail Malate, Staff Illustrator

This month, our slideshow features starry nights and winter wonderlands around our universe.

Abigail Malate, Staff Illustrator

Even some of the most powerful explosions in the universe might be explained by the collision of magnetic fields.

Charles Q. Choi, Contributor

The giant black hole is one of the biggest ever observed from this far back in time.

Ramin Skibba, Contributor

Explore the stars that surround us in this month's slideshow.

Abigail Malate, Staff Illustrator

Strange alien sights from our solar system and beyond.

Abigail Malate, Staff Illustrator

Remembering Joseph Weber, whose failure to detect gravitational waves helped lead to their discovery.

Joel Shurkin, Contributor

Illustration shows a baseball flying through space away from the Earth, located in the background of the image.

Anything that has mass and moves can give off gravitational waves, but for familiar items they are extremely tiny.

Ramin Skibba, Contributor

The experiment behind this year’s winner for the Nobel Prize in Physics.

Yuen Yiu, Staff Writer

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