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

A novel "X-arithmetic" technique reveals how black holes shape the universe's largest structures.

JUICE and the Hubble Space Telescope turned their gazes towards the interstellar visitor in November.

NASA’s Hubble Space Telescope captured a deeper look at interstellar comet 3I/ATLAS, with its Wide Field Camera 3 instrument, ...

Satellites reflect sunlight, Earthshine, infrared and radio waves.

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

Despite being hidden by the glare of the sun, plenty of space-based cameras are snapping photos of 3I/ATLAS that you should ...

While space telescopes are presumed safe from interference, a NASA-led study recently confirmed a major problem that is now ...

By Will Dunham WASHINGTON, Dec 3 (Reuters) - An exponential increase in the number of satellites placed in low-Earth orbit ...

NASA is sounding an unusually stark alarm: in the coming years, streaks from commercial satellites could creep into almost ...

Planned megaconstellations would contaminate the view of the cosmos of four orbiting telescopes Many of the images taken by ...