Stargazers may catch a cosmic light show this Fourth of July weekend when the Milky Way appears in the night sky across the ...

These observations reveal that galaxies first formed thick, chaotic disks, and only later developed the calm, thin disks seen in modern spirals like the Milky Way. The figures illustrate the revealed ...

The satellites the world relies on for navigation, communication and more get their bearings from distant black holes – but ...

Sagittarius A* has been seen by human eyes with an "image produced by a global research team called the Event Horizon ...

Using gravitational microlensing, scientists have discovered a rare, large planet at the edge of the Milky Way. The planet is ...

Chandra X-ray Observatory and X-ray Polarimetry Explorer (IXPE) imagery of the Milky Way's core and supermassive black hole ...