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 ...

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 ...

Using ESO's Very Large Telescope (VLT), an international team of astronomers has inspected an icy protoplanetary disk of a ...

If another gravity theory is correct, "then the broader implications are enormous," astrophysicist Stacy McGaugh told ...

The Roman Coronagraph Instrument, designed to block starlight, will help scientists detect faint light from exoplanets.

Roman Coronagraph integrated with NASA's Roman Space Telescope Telescope aims to find planets 100 million times fainter than ...

very early in the Universe. Future observations with JWST and the Atacama Large Millimeter Array (ALMA) telescope will ...

The National Radio Astronomy Observatory is 'confident' it can work out radio frequency issues with SpaceX and other ...