WASHINGTON (Reuters) - Scientists working in an international collaboration have tracked how the structure of the cosmos has grown over the past 11 billion years, providing the most precise test to ...

Nearly a century after astronomers first proposed dark matter to explain the strange motions of galaxies, scientists may finally be catching a glimpse of it. A University of Tokyo researcher analyzing ...

The cosmos might be playing a different game than we thought. Scientists have spent decades believing our universe was ...

NEW YORK (AP) — Distant, ancient galaxies are giving scientists more hints that a mysterious force called dark energy may not be what they thought. Astronomers know that the universe is being pushed ...

A new study casts doubt on the universe’s accelerating expansion, suggesting dark energy might be weakening over time.

Research published Tuesday by a Japanese astrophysicist says gamma rays may have been generated by the collision of dark ...

Lawrence Berkeley National Laboratory has released new breakthrough findings on one of science’s biggest mysteries — one that Albert Einstein once called his “biggest blunder.” In March, Berkeley Lab ...

Astronomers have long puzzled over the cause of a mysterious “glow” of very high energy gamma radiation emanating from the centre of our galaxy. One possibility is that dark matter – the unknown ...