A story of survival is unfolding at the outer reaches of our galaxy, and NASA's Hubble Space Telescope is witnessing the saga ...

Roughly 400,000 years after the Big Bang, the universe cooled just enough to allow photons to escape from the primordial ...

Hubble Space TelescopeHomeNASA's Hubble Sees… Hubble Space Telescope Hubble HomeOverviewAbout HubbleThe History of ...

The galaxies, each as vast as the Milky Way, are baffling because most scientific models for galaxy evolution suggest ...

NASA selects two proposals for missions to observe X-ray and far-infrared wavelengths of light from space for additional ...

Roughly 400,000 years after the Big Bang, the universe cooled just enough to allow photons to escape from the primordial ...

Astronomers have identified three ultra-massive galaxies -- nearly as massive as the Milky Way -- already in place within the first billion years after the Big Bang. This surprising discovery was made ...

This illustration shows a red, early-universe dwarf galaxy that hosts a rapidly feeding black hole at its center. Using data ...

An international team of astronomers has identified three ultra-massive galaxies—each nearly as massive as the Milky ...

A recent study found that SpaceX’s Starlink V2-mini satellites emit more radio waves, potentially interfering with radio ...

ESA's Gaia mission, the Very Large Telescope and other ground-based telescopes have discovered stellar black hole Gaia BH3.

All the major elements of NASA’s next flagship space telescope are now under one roof as NASA says its development remains on cost and schedule.