Recent observations suggest that 'runaway' black holes are tumbling through the cosmos. Building on decades of theory, the discovery adds a remarkable new chapter to the story of the universe.

The telescope primarily detects light in the infrared in order to observe sources such as the first galaxies and protostars.

"There is a growing chasm between theory and observation related to the early universe, which presents compelling questions ...

Astronomers used James Webb Space Telescope data to determine the density of the universe's most mysterious "stuff." ...

JWST and ESA’s Ariel mission plan coordinated exoplanet observations starting in 2030, combining high-resolution targeting and large-scale surveys to expand atmospheric data collection.

"JADES-ID1 is giving us new evidence that the universe was in a huge hurry to grow up." ...

After Christmas dinner in 2021, our family was glued to the television, watching the nail-biting launch of NASA’s US$10 billion (AU$15 billion) James Webb Space Telescope. There had not been such a ...

The James Webb Space Telescope has detected the first-ever spectral signature of hydrogen sulfide around a massive gas giant planet.

New James Webb Space Telescope observations suggest that organic molecules are much more common outside our galaxy than ...

When NASA launched its $10 billion James Webb Space Telescope in 2021, scientists hailed the mission as the greatest achievement of its kind in over three decades. Soon, however, scientists noticed a ...

The James Webb Space Telescope has confirmed the most distant, early galaxy in the known universe. The new contender, MoM-z14, is visible just 280 million years after the Big Bang.

Galaxy cluster MACS0416 magnifies the light from more distant background galaxies through gravitational lensing. Astronomers studying a distant galaxy using the James Webb Space Telescope (JWST) have ...