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.

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

The first ever space telescope, the Orbiting Astronomical Observatory 2 (OAO-2), was launched into the low Earth orbit in ...

During an IFU observation, the instrument captures an image of the field of view along with individual spectra of each pixel in the field of view. IFU observations allow astronomers to investigate how ...

Created as a tribute to dark matter pioneer Vera Rubin, the image was created with the aid of a vast array of telescopes.

NASA's Chandra X-ray space telescope has captured a breathtaking image of the neighboring Andromeda galaxy, in a tribute to ...

Machine learning can help tighten constraints on the overarchingFor almost as long as humans have existed, we have been trying to make sense of the cosmos. What started as philosophical musing has, ...

About 5% of the universe’s mass–energy content appears to be baryonic matter – the familiar nuclei and particles that make up atoms and molecules. The rest is believed to be dark energy and dark ...

Astronomers from the University of Cape Town (UCT) joined global celebrations to mark the first light images of the Legacy ...