Astronomers have proposed a radical idea: dark matter—the mysterious substance making up most of the universe’s mass, might ...

A mysterious excess of far-ultraviolet light seen across the Milky Way could come from the annihilation of clumpy dark matter ...

A new computational breakthrough is giving scientists a clearer view into how dark matter structures evolve. Dark matter has remained one of the biggest mysteries in cosmology for almost a hundred ...

A simple explanation of dark matter and antimatter, how they differ, how scientists study them, and why both are important to understanding the universe.

In addition, astrophysical observations had revealed that occasionally, white dwarfs would cool off way faster than expected.

Scientists uncover the universe’s most massive object, glowing yellow, blue, and pink at 100 million °C, while a true inferno ...

By studying faint distortions in galaxy shapes across a vast region of sky, scientists probed the hidden structure of the universe. In the standard picture of the universe, nearly everything is hidden ...

What is the nature of dark matter? A new experiment led by Columbia University physics professors aims to find out.

The General AntiParticle Spectrometer experiment is suspended from a football-field-sized balloon about 24 miles above the ...

Normal matter – which makes up everything we see and touch – isn’t the only type of matter present in the universe.

In the search to understand how the universe came to be, a new theory is rewriting the script. Instead of one massive, fiery birth like the Big Bang, this idea suggests the cosmos has been growing in ...

The universe is made up of three components: normal or visible matter (5%), dark matter (27%), and dark energy (68%). NASA's Goddard Space Flight Center From stars and galaxies to the shoes on your ...