Astronomers have signalled the discovery of a planetary body roaming the Milky Way that is not gravitationally bound to the ...

The supermassive black hole at the center of the Milky Way has long looked quiet, a dim and seemingly dormant presence ...

Astronomers have spotted an Earth-sized planet drifting alone through the Milky Way, detected briefly by bent starlight, ...

Scientists at the University of Colorado Boulder may have solved a pressing mystery about the universe's gravitational wave ...

Scientists have discovered a rogue planet roaming the Milky Way after combining observations from Earth and a space telescope ...

Planets usually stay close to their host stars, tracing steady paths shaped by gravity. Yet some planets break free and drift ...

Galaxy clusters are formed by a dense packing of many galaxies, making them the most massive structures in the universe.

Advanced aliens could be chatting with each other using light flashes in plain sight, similar to how fireflies communicate, ...

A USF professor and research team are using two NASA grants and the Hubble Space Telescope to test the mathematical model of ...

A seemingly impossible cluster of more than 30 galaxies crammed into a volume just 500,000 light-years across has been found ...

From a window on the International Space Station, astronauts have captured a rare view of a nearby galaxy caught in the act ...

The team’s analysis points to a lensing object with a mass of 0.219 Jupiter masses, a touch lighter than Saturn or around 70 ...