The final milestone in construction was reached on November 25, as technicians carefully joined the giant telescope's inner ...

Other telescopes could lose up to 96% of their images due to satellite-related light pollution.Light pollution has always ...

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

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

Still, science being science, we needed proof—and we got it in 1992, when two astronomers found two planets orbiting a pulsar ...

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

Light from the half a million satellites that humanity is planning to launch into Earth's orbit in the coming years could ...

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

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

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

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.