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

The Hubble captured the image on November 30, while Juice caught a glimpse of the interstellar visitor shortly after ...

Forget aliens lurking in the shadows of some distant planet; astronomers are transfixed by one that's just blazed into our ...

Light pollution from the exploding number of satellites orbiting Earth is making it harder to peer into space.

Interstellar comet 3I/ATLAS is generating buzz with new images and theories. Scientists are debating if it has ice volcanoes ...

More than half a million satellites are planned to launch by the end of the 2030s, and simulations suggest they will have a severe impact on space-based astronomy ...

The new Hubble image shows a compact, bright nucleus wrapped in clouds of gas and dust, which is called the coma ...

Simulations show two satellites per Hubble exposure. China’s Xuntian telescope may see 92 satellites. Its wide view makes it ...

Hubble’s new image shows the Calabash Nebula’s dying star blasting gas at immense speeds, revealing dramatic lobes, ...

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