Two Micron All-Sky Survey (2MASS) imagery was used to create a animation of the warp of the Milky Way galaxy. Credit: 2MASS, ...

Using data from the James Webb Space Telescope, astronomers traced how Milky Way–like galaxies formed and changed over time.

Globular clusters are often described as ancient, tightly bound fossils of the early Milky Way. It has been believed that ...

Scientists measured mass and distance of free floating planet drifting through space without star for first time.

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

Somewhere between the stars, far from any sun, a planet is moving quietly through space. There is no orbit to trace and no ...

It is unclear whether a [3I/ATLAS] would transmit radio signals … such signals would take tens of thousands of years to cross ...

Astronomers using W. M. Keck Observatory on Maunakea, Hawaiʻi Island have uncovered the largest and most extended stream of ...

When astronomers first spotted a faint, fast-moving object racing through the outer Solar System in mid-2025, few expected it ...

Astronomers have directly observed a free-floating planet, comparable in mass to Earth, roaming the Milky Way. Discovered via ...

Situated around 17,000 light-years from Earth within the Milky Way Galaxy, the supernova remnant is close enough for NASA’s ...

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