What we saw in the DESI experiments, and now strengthened by our South Pole Telescope observations, is that dark energy is ...

New evidence suggests the universe might not behave as expected, raising questions about the costs of being wrong.

The universe seems to be spinning, and that could explain what dark energy is and why it's weakening while revealing our ...

Researchers unveiled their findings on March 19 as part of a massive new data release from the Dark Energy Spectroscopic Instrument — DESI for short — which has been scanning the sky above the ...

We know black hole mergers occur because we can detect the resulting gravitational waves. But when trying to piece together ...

The Rubin Observatory will reveal its first images on Monday. Space.com spoke to scientists who explained why this will be a ...

The earliest light in the universe has been traveling across space since just after the Big Bang. Known as the cosmic ...

Dr Victoria Fawcett has been named as the winner of the 2025 Caroline Herschel Prize Lectureship by the Royal Astronomical ...

The Giant Magellan Telescope team explains how the observatory will help solve the mysteries of the cosmos including the search for life.

Most popular science books start the universe with a single, explosive Big Bang. A new study argues something quieter but no less dramatic: the early cosmos may have been deep inside a gigantic ...

Slitted Spectroscopy: provides the ability to capture the spectrum of a single object—a single star, a single exoplanet, or a single distant galaxy—in a wide field of view. Single slit spectroscopy is ...