A new theory claims dark matter and dark energy don’t exist — they’re just side effects of the universe’s changing forces. By ...

Learn what a black hole is, how it forms, and how astronomers detect it. Understand the science behind black holes and their ...

In this video, we explore Albert Einstein's theory of general relativity, focusing on his insights into gravity and ...

For years, dark matter has puzzled scientists, lurking in the universe’s vast expanse yet eluding direct detection. This ...

Photos and videos of astronauts on the ISS show them floating around, but saying there's zero gravity isn't fully accurate. Here's what's actually going on.

Scientists have discovered that dark matter, the universe's most mysterious "stuff," obeys gravity on vast cosmological scales. This could help to dismiss the possibility of a fifth fundamental force ...

"If the model holds true, it could mark a new chapter in the way we think about the birth of the universe." A radical new theory regarding the origin of the universe suggests that gravitational waves, ...

The early growth of the gas giant carved rings that formed primitive meteorites and shaped the architecture of the inner ...

An international team of researchers led by the Leibniz Institute for Astrophysics Potsdam (AIP) has shed light on a ...