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.

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

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 ...

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

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.

Astronomers using the Subaru Telescope in Hawaiʻi have discovered a massive planet and a brown dwarf orbiting distant stars.

If your camera roll is filled with blurry moons and washed-out night shots, this deal on Hestia is an immediate upgrade. The ...