Data from the Atacama Cosmology Telescope (ACT) has now given researchers new detailed images of the universe's earliest ...

Astronomers tallying up all the normal matter—stars, galaxies and gas—in the universe today have come up embarrassingly short ...

About half of the non-dark matter in the universe cannot be accounted for by stars and galaxies alone. Now, scientists say ...

Mysterious dark matter makes up 85 percent of matter in the universe, and of the remaining 15 percent, scientists couldn’t ...

Learn how astronomers found the invisible ionized gas that forms puffy halos surrounding galaxies.

As the Hubble Space Telescope approaches 35 years since its launch, marking over three decades of incredible images of the universe and science, NASA and its partner, the European Space Agency, are ...

Astronomers have long struggled with a troubling puzzle: a significant portion of normal matter in the universe appeared to ...

Astronomers may have found the long-missing half of the universe's regular matter—and it appears to have been right under our ...

For decades, scientists have known that ordinary matter — everything made of atoms — accounts for just 15% of the universe’s ...

Hubble’s findings revolutionized humanity’s perspective on the Universe ... in images of a striking ‘spiral nebula’ in the constellation of Andromeda, a fuzzy object among the stars ...

Peruse Dr. Victoria Frankenstein's collection of monster oddities in the Manor Storehouse with our complete list of every ...

Since the James Webb Space Telescope (JWST) began science operations, astronomers have observed galaxies that existed more ...