Science and Exploration

Dark Energy

3 articles

Editorial illustration for How the Big Bang's Leftover Light Reveals What the Universe Is Made Of
Space & Astronomy

How the Big Bang's Leftover Light Reveals What the Universe Is Made Of

The Cosmic Microwave Background (CMB) is faint microwave radiation filling the sky, the richest source of data about the universe's earliest observable moments. By measuring its temperature variations, scientists have determined the universe's composition, including dark energy, dark matter, and ordinary matter.

Dr. Alistair Finch·October 31, 2026
Vast cosmic expanse with galaxies depicted as streaks of light, illustrating the accelerating expansion of the universe.
Space & Astronomy

New research confirms universe expansion rate and cosmic acceleration

Just months ago, a whisper of deceleration rippled through the cosmos.

Mateo Rojas·June 13, 2026
The Nancy Grace Roman Space Telescope in orbit, its infrared mirror reflecting the vastness of space, with Earth in the background.
Space & Astronomy

Roman Telescope's infrared mirror is ready for flight

The average bump on the primary mirror surface for NASA's Nancy Grace Roman Space Telescope is only 1.

Mateo Rojas·June 1, 2026