A mysterious force called Dark Energy might be changing, in a way that challenges our current understanding of the nature of ...

According to Professor Lee, if these results are confirmed, it could completely change our understanding of the universe's ...

For decades, the prevailing view has been that dark energy causes the universe’s expansion to accelerate indefinitely, potentially ending in a scenario known as the “Big Rip,” in which galaxies, stars ...

But the Big Bang theory predicts that about 5% of the universe's contents should be atoms made of protons, neutrons and ...

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 have discovered a giant cosmic filament where galaxies spin in sync with the structure that holds them together.

New observations reveal that the relationship between ultraviolet and X-ray light in quasars has changed over billions of ...

Distance records are an excellent proxy for the state of the art in astronomy. Finding extremely faraway galaxies is hard. In ...

In recent years, astronomers have become increasingly interested in a theoretical particle known as the axion, which was ...

One story rose above all the others — new and older telescopes are putting us on the cusp of monumental discoveries about our universe.

A new theoretical study suggests fusion reactors could do more than generate energy, they might also produce particles linked to dark matter. Researchers at the University of Cincinnati say they have ...