This Hubble Space Telescope image shows LEDA 42160, a galaxy about 52 million light-years from Earth. The dwarf galaxy is one ...

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 ...

Using ESO's Very Large Telescope (VLT), an international team of astronomers has inspected an icy protoplanetary disk of a young star known as PDS 453. Results of the new study, published on the ...

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

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

The standard model for how galaxies formed in the early universe predicted that the James Webb Space Telescope (JWST) would ...

Hardegree-Ullman said that while she was completing her undergraduate degree at the University of Arizona in the early 2000s, a member of the institution shared with her that they were involved with ...

The supergiant star M31-2014-DS1, which has a mass 20 times greater than the sun and is located 2.5 million light-years away ...

The James Webb Space Telescope has captured imagery of spiral galaxy NGC 7469, which is 90,000 light-years in diameter. The ...

The surprising discovery – described in the journal Nature ("Accelerated formation of ultra-massive galaxies in the first ...

For the study, the researchers used NASA’s powerful James Webb Space Telescope to observe some of the earliest galaxies that ...