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

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

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

The prevailing consensus in astrophysics is that the universe has spent the past 13-or-so billion years expanding outward in ...

Astronomers may have found the long-missing half of the universe's regular matter—and it appears to have been right under our ...

For decades, scientists have been puzzled by the missing mass in the universe. While we know that about 85% of the universe is made up of dark matter, the remaining 15% is made up of normal (baryonic) ...

If dark energy is weakening, it stands to reason that eventually gravity will become dominant and the universe will begin to contract. In such a scenario, the universe would collapse back into a ...

The supposed size limit — 381 kilometers per side — originates from technical constraints within Adobe’s Acrobat reader.

The spins of some early galaxies could be a clue that the entire observable universe exists within a black hole—except, that ...

(Instagram/@mygovindia) “Main character? No. He’s the whole storyline. Swipe through New India in Studio Ghibli strokes,” reads the caption posted along with the visuals. A total of 15 ...