The venerable Hubble observatory is going strong despite its decades in space and the advent of next-generation successors ...

NASA completes assembly of the Nancy Grace Roman Space Telescope. The observatory will enter final testing before launch, providing infrared surveys and cosmic data for astronomy research.

NASA is sounding a clear alarm about the way SpaceX is reshaping low orbit, warning that the company’s satellite swarms and proposed Hubble servicing plans could put one of astronomy’s most important ...

Light is the fastest phenomenon in the universe, clocking in at just under 300,000 kilometers per second. The telescopes that observe that light, from radio waves to gamma rays, are built at rather ...