Is time something that flows — or just an illusion? Exploring space-time as either a fixed “block universe” or a dynamic fabric reveals deeper mysteries about existence, change, and the very nature of ...

A new emulator is tackling the near-impossible task of mapping the universe's large-scale structure without sacrificing ...

From early experiments with lanterns to Einstein’s revelations about space and time, the speed of light has proven to be far ...

Mathematical quirks of our universe have led some cosmologists to wonder whether the cosmos was actually born in a black hole ...

Ten years ago, science confirmed one of Albert Einstein’s most elusive predictions: the existence of gravitational waves. Now ...

Since that day, LIGO — composed of two highly sensitive laser interferometers located in Hanford, Washington and Livingston, ...

Gravitational waves shake the very fabric of the universe when black holes collide. Today we measure these events and use them to understand the ...

Fragments of energy may be the fundamental building blocks of the universe. The theory combines the ideas of particles and waves into a concentration of energy that flows throughout space and time.

Long before galaxies sparkled in the sky or stars took shape, invisible forces stirred in the early Universe. One of those ...

Explore India’s best stargazing spots from the Rann of Kutch to the Spiti Valley. Clear skies make astro-tourism a magical escape for first-time explorers.

Physicists have long believed that black holes explode at the end of their lives, and that such explosions happen—at ...

The reason it could be heard by teams on multiple telescopes and in all different directions was because that irritating noise was in fact the cosmic microwave background (CMB) – the leftover ...