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

A never-before-seen image of the cosmic microwave background, combining data from the Atacama Cosmology Telescope (ACT) and ...

Chennai: Institute of Mathematical Sciences (IMSc) is planning to conduct a national meet on cosmology titled "Cosmic ...

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

A new analysis of the sky has finally confirmed where the missing half of the Universe's visible matter has been hiding.

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

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

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

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

A slowly spinning universe could resolve a puzzle in physics known as the Hubble tension, a new model suggests.

Scientists found the universe's missing baryonic matter as invisible hydrogen outside galaxies using a method called 'stacking' ...