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Space

This month's featured images include a commemorative portrait of the spacecraft Cassini and a composite image of dark matter.

Abigail Malate, Staff Illustrator

A team of scientists develop a model that describes the accelerating expansion of the universe without the need for mysterious dark energy.

Ramin Skibba, Contributor

Saturn's rings, Mars' geology and an artist's depiction of distant new worlds were among this month's most captivating space images.

Abigail Malate, Staff Illustrator

Access to a dark night sky is a universal human right, says the American Astronomical Society

Ramin Skibba, Contributor

A stellar explosion in the constellation Cygnus could be visible to the naked eye.

Abigail Malate, Staff Illustrator

Pioneering astronomer who discovered observational evidence of the existence of mysterious dark matter in the universe dies at 88.

Yuen Yiu, Staff Writer

Clouds above giant planet beyond our solar system are made from the same mineral as rubies and sapphires.

Charles Q. Choi, Contributor

Massive pulse gave off more energy than the sun emits in a month.

Charles Q. Choi, Contributor

Observations of rotating galaxies could be explained without including dark matter, which may require changes to prevailing theories.

Charles Q. Choi, Contributor

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