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

A never-before-seen image of the cosmic microwave background, combining data from the Atacama Cosmology Telescope (ACT) and the Planck satellite, offers a high-definition view of the early ...

Until we can directly detect the signatures of what was released earlier -- the cosmic neutrino background, gravitational waves from inflation, etc. -- the CMB will be our window into the earliest ...

S ome colors are simply universal, playing a significant role in every culture and every era—indeed in every person’s life. Such is our 2025 Color of the Year, Cosmic Cobalt.

The astronomers who operate powerful Vera C. Rubin observatory released debut images June 23, 2025, showcasing just exactly ...

The ancient light, called the cosmic microwave background, or CMB, was imprinted on the sky when the universe was 370,000 years old. Image: ESA and the Planck Collaboration Get the Popular Science ...

The cosmic microwave background is one of the major pieces of evidence that our ... and the color variations in the image show temperature differences of ... and 71.4 percent is dark energy.

It's not an easy task to locate high-energy neutrino sources in space, given the large number of background neutrinos and other particles in the Earth's atmosphere. In 2018, IceCube picked up a ...

The dominating form of energy in the cosmos, dark energy is driving the accelerating expansion of the universe, but its nature remains a complete mystery.

Study reveals that high-energy cosmic rays are born in magnetic fields during neutron star mergers, a prelude to black holes.