The Ursa Minor Dwarf is a small galaxy, a loose aggregation of stars, and a satellite of the Milky Way. Its gravitational ...

NASA's Europa Clipper spacecraft, en route to Jupiter's icy ocean moon Europa, recently captured a ghostly infrared portrait ...

WD 1856+534b—a freezing world with a surface temperature of -125 degrees Fahrenheit—exists where planets are normally scoured ...

NASA scientists and researchers from the University of Tokyo have used supercomputers to find out exactly when life on Earth ...

Astronomer Eliza Kempton said that she had waited her "entire career" to peer into an atmosphere from this mysterious class ...

Astronomers are once again getting excited about a rare nova that could appear in the night sky anytime from now into the coming months.

For years, astronomers have toyed with the idea that the Sun hides an extra planet so distant and dim that even the best ...

The ninth planet in our solar system was first brought up as a possibility when two astronomers from the California Institute ...

Astronomers using the James Webb Space Telescope have directly detected the faint glow of a planet that’s colder than any ...

"It's like trying to spot a fish by looking for ripples in a pond, rather than trying to see the fish itself." ...