Recent research has unveiled a troubling and persistent mystery at the heart of modern cosmology: the universe is expanding ...

New measurements show that the expansion rate of the universe is faster than can be explained by our current understanding of ...

Uncover the mystery of Omega Centauri: a stellar-mass black hole is responsible for the fast movement of nearly ten million ...

The Webb telescope — a scientific collaboration between NASA, ESA, and the Canadian Space Agency — is designed to peer into ...

Hubble uncovers the blue lurker star, offering rare insights into triple-star system evolution and stellar mergers ...

Could time itself actually explain our universe's expansion? Our current cosmological model—known as lambda cold dark matter, ...

Now, a group of scientists used Webb Space Telescope data to solve a mystery raised by a veteran ... In 2003, the Hubble Space Telescope detected what appeared to be the oldest known planet ...

In a stunning revelation, the NASA/ESA Hubble Space Telescope has peered into the cosmic cradle of star formation, capturing an extraordinary view of young ...

NATIONAL HARBOR, Md. — Proposed budget reductions for the Hubble Space Telescope would impact research and outreach as well as increase the risk to the observatory, project officials warn.

Douglas Adams, The Hitchhiker's Guide to the Galaxy Observatories like the Hubble Telescope and the James Webb Space Telescope offer humanity the power to see things farther away than ever before.

A phenomenon called gravitational lensing turned a galaxy into a "hall of mirrors of cosmic proportions," allowing for the discovery.