Webb captures merging galaxy pairs known as II ZW 96. It is located around 500 million light-years away from Earth.

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

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

A small asteroid burned up in Earth's atmosphere off the coast of California just hours after being discovered and before ...

In this photo taken on Sept. 16, 1993, NASA astronauts James H. Newman (left), and Carl E. Walz evaluate procedures and gear ...

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

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

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

The Hubble Space Telescope captured an amazing view of spiral galaxy NGC 6956. The galaxy is located "214 million light-years ...

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