NASA has released the latest images of 3I/ATLAS taken by the Hubble as scientists and observers prepare to spot the comet in ...

Astronomers have long been concerned about reflections from satellites showing up in images taken by telescopes and other ...

The universe’s expansion rate was supposed to be a solved problem, yet the latest high precision map of the early cosmos has ...

Keck Observatory reports that spectroscopy from its Keck Cosmic Web Imager, combined with data from NASA’s James Webb and ...

Confirmed by an eclipse, Einstein's theory of gravity revealed a spectacular tool: gravitational lensing. This video explains ...

A team of astronomers using a variety of ground and space-based telescopes including the W. M. Keck Observatory on Maunakea, ...

Researchers have discovered a large, orderly spiral galaxy that formed soon after the Big Bang, when space was only about 1.5 ...

Fleets of satellites interfere with snapshots taken by Earth-bound observatories. But a new study suggests these orbiters ...

The fifth day of the 18th annual Space Telescope Advent Calendar features a close view of a distant and colorful spiral ...

According to NASA, Hubble took its latest photo of 3I/ATLAS on November 30 using its Wide Field Camera 3 instrument. At that ...

This infrared view offers the clearest look yet at how dwarf galaxies merge, evolve, trade gas and ignite waves of new stars.