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

We will know more in 2029 when NASA’s Psyche probe, launched last year, reaches the asteroid with which it shares its name.

NASA’s Voyager 2 flyby of Uranus decades ago shaped scientists’ understanding of the planet but also introduced unexplained oddities. A recent data dive has offered answers. In 1986, Voyager 2's flyby ...

Only two hours after being detected, an asteroid entered Earth's atmosphere and slammed into the Pacific Ocean, seemingly ...

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 ...

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

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 ...