Scientists once thought the early universe didn't make them.
Satellites reflect sunlight, Earthshine, infrared and radio waves.
NASA's Nancy Grace Roman Space Telescope is now fully assembled and ready to begin launch preparations this summer.
Astronomers using the Subaru Telescope in Hawaiʻi have discovered a massive planet and a brown dwarf orbiting distant stars.
Fleets of satellites interfere with snapshots taken by Earth-bound observatories. But a new study suggests these orbiters ...
According to NASA, Hubble took its latest photo of 3I/ATLAS on November 30 using its Wide Field Camera 3 instrument. At that ...
The Atacama Cosmology Telescope in Chile not only confirmed one of the greatest mysteries in the universe—it also ruled out ...
The Pandora Space Telescope will study 20 promising worlds that could host life ...
NASA is sounding an unusually stark alarm: in the coming years, streaks from commercial satellites could creep into almost ...
Spend 8 minutes with an image that has changed astronomy forever - the first-ever deep field view of galaxy cluster SMACS ...
A spectacular new view of two dwarf galaxies caught in the middle of a cosmic collision reveals a glowing gas bridge, streams ...
The James Webb Space Telescope's Near-Infrared camera (NIRCam) captured stunning imagery of Neptune. It is the "clearest view ...