Could the universe be rotating at an imperceptible speed? An extremely slow rotation, occurring once every 500 billion years, ...

The Hubble tension, a long-standing puzzle in cosmology, arises from conflicting measurements of the universe’s expansion ...

Scientists may have finally found the universe’s missing matter - hidden in invisible hydrogen gas far beyond galaxies.

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

A new approach suggests that a tiny spin of the universe throughout space might reconcile those conflicting numbers. If the ...

A faint cosmic spin – one rotation per 500 billion years – could resolve the stubborn Hubble tension by tweaking standard ...

A team of scientists has proposed a revolutionary idea to explain one of the greatest contradictions in our understanding of ...

In the grand puzzle of the cosmos, one question continues to defy easy answers: how fast is the universe expanding?

Astronomers have confirmed a wandering black hole, about seven times the mass of the Sun, 5,000 light-years from Earth.

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

Terms of Service and Privacy Policy. The prevailing consensus in astrophysics is that the universe has spent the past 13-or-so billion years expanding outward in all ...