The tenth day of the 18th annual Space Telescope Advent Calendar features an enormous cloud of gas and dust, illuminated by a ...

If you feel a thrill every time we discover something new about the cosmos, then November 25th may have been a noteworthy day ...

High up in the Chilean Andes, the Extremely Large Telescope (ELT) is set to become the world's largest optical telescope and ...

New 3I/ATLAS images from NASA and the ESA suggest the interstellar comet is active as it approaches Earth in December.

Growing up in central England during the heyday of NASA's Apollo program, Colin Nicholls dreamed of one day going to space ...

Conventional telescopes are limited in detecting low-surface-brightness (LSB) structures, which are essential for studying ...

The final integration of the telescope's major observatory components took place on Nov. 25 inside NASA's Goddard Space ...

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

The Atacama Cosmology Telescope in Chile not only confirmed one of the greatest mysteries in the universe—it also ruled out ...

A new NASA-led study found that the increasing number of satellites in low-Earth orbit could ruin up to 96% of images from ...

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.