New data reveals a 3-million-light-year filament connecting two galaxies, each of which hosts a supermassive black hole.

Among the roughly 10 billion white dwarf stars in the Milky Way galaxy, a greater number than previously expected could ...

NASA's SPHEREx mission will survey the Milky Way galaxy looking for water ice and other key ingredients for life. In the ...

The European Southern Observatory (ESO) has released a stunning 80 million-pixel image of the star cluster RCW 38, as captured by ESO's Visible and Infrared Survey Telescope for Astronomy (VISTA), ...

In 2011, a project that surveyed the Milky Way galaxy for exoplanets — which are planets beyond our solar system — spotted an ...

From supermoons to an eclipse and star parties at national parks, these captivating celestial phenomena will get Americans ...

Astronomers trace the striking pattern to an encounter between a big galaxy and a much smaller one some 50 million years ago.

Get up to speed on gamma rays, the radiation responsible for creating the Red Hulk in Captain America: Brave New World.

The Hubble Space Telescope’s latest stunning images have allowed scientists to solve the mystery of the Bullseye Galaxy’s plentiful rings.

Hubble’s high-resolution imagery allowed researchers to hone in on more of the Bullseye galaxy’s rings — and helped confirm ...

The protoplanetary disk is actually a Herbig-Haro object dubbed HH 30. Such objects are glowing regions in space that contain ...

Scientists have created the first-ever 3D maps of star-forming molecular clouds near the Milky Way's supermassive black hole, ...