This low-mass supermassive black hole, spotted with NASA’s James Webb Space Telescope and the Chandra X-ray Observatory, ...

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

The roughly six-hour flyby in 1986 revealed Uranus' protective magnetic field was strangely empty. Now, researchers say that ...

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 ...

When Voyager 2 performed the first and only close flyby of Uranus in 1986, scientists were left scratching their heads. Now, ...

NASA recently selected the PRIMA (PRobe far-Infrared Mission for Astrophysics) project as one of two candidates for its new ...

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

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 ...

Andrew Caldwell, Northern Colorado Astronomical Society president Courtesy of NASA/MSFC/David Higginbotham In just a ... that they were involved with developing technology for a new space telescope.

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

Sixteenth century Danish astronomer Tycho Brahe laid the framework for modern cosmology without ever using a telescope.