A group of international astronomers have discovered three mysterious, ultra-massive galaxies in the early universe. The ...

The James Webb telescope has spotted three gigantic "red monster" galaxies that were spawned soon after the Big Bang. They're ...

This process won't be complete for many millions of years — until then, Queen Berenice II will have to suffer the knots in ...

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

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

Using the James Webb Space Telescope, an international cooperation of NASA and the European and Canadian space agencies, a ...

NASA's Nancy Grace Roman Space Telescope is one giant step closer to unlocking the mysteries of the universe. The mission has ...

The Nancy Grace Roman Space Telescope's Wide Field Instrument provides a field of view 100 times greater than the Hubble ...

NASA’s Roman Space Telescope team has integrated the innovative Roman Coronagraph Instrument, marking a major milestone in ...

The James Webb Space Telescope (JWST) is a large, complex observatory that studies the universe in infrared light, which is ...

This photo shows the Optical Telescope Assembly for NASA's Nancy Grace Roman Space Telescope, which was recently delivered to ...