A new theory promises to simplify our approach to the universe's earliest moments, but some cosmologists say further ...

Speculative elements may not be necessary to explain the cosmos. A team of researchers, led by Raúl Jiménez, an ICREA ...

Throughout cosmic evolution, although dwarf galaxies are individually small, they are numerous and serve as the fundamental ...

In 1932, Carl David Anderson’s groundbreaking discovery of antimatter confirmed the existence of antiparticles predicted by the Dirac equation,ushering in a new era in physics. This revelation showed ...

Could our location in space be skewing cosmic measurements? A new study suggests a giant void may explain the Hubble tension.

Observing this distant epoch is notoriously difficult, astronomers say. At that time, the universe was filled with a dense ...

Webb has been orbiting more than a million miles from Earth, capturing breathtaking images of deep space. But how does it ...

Researchers aim to study the universe’s 'Dark Ages' using a quiet orbit around the Moon. Their small satellite will search ...

A pair of galaxies whose light has traveled for 8.3 billion years contains what astronomers believe is a supermassive black ...

The universe is expanding, but two exquisitely precise yardsticks say it’s doing so at two different speeds. That’s not a ...

The universe's age largely hinges on its rate of expansion. Data from the 1990s' Hubble Space Telescope launch saw estimates ranging from 7 billion to 20 billion years. It was only later that a ...

The James Webb Space Telescope, NASA’s biggest, most expensive and powerful telescope to date, was launched in December 2021 with the intention of spending five to 10 years studying a plethora ...