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

Apples-to-apples comparisons in the distant universe are hard to come by. Whether the subject is dwarf galaxies, supermassive black holes, or 'hot Jupiters,' astronomers can spend months or years ...

Exoplanets—planets that orbit stars beyond our solar system—have transformed our understanding of the universe. Since the ...

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

Periodic radio emissions have been discovered in a binary system of white and red dwarf stars with an orbit time of 125 ...

It could also be a Neptune-like “gas dwarf” planet, with a small core shrouded in a thick layer of gas and ices. Both of these options would be much less favourable to the development of life ...

Stars don’t just form planets—they may also re-supply their disks with gas, reshaping how and where planets emerge.

CO2 is a natural part of the planet, but too much has tipped the climate scales. Carbon dioxide may be a naturally occurring substance on Earth, but too much of its presence has contributed to ...

1968's classic and influential sci-fi film, Planet of the Apes (based on French author Pierre Boulle's 1963 novel), spawned a franchise that dominated the first half of the '70s with four more ...

Deep observations from the James Webb Space Telescope (JWST) have revealed an exceptionally large galaxy in the early universe. It’s a cosmic giant whose light has travelled over 12 billion years to ...

What has them excited is the planet K2-18b. We only know it exists ... Zone (warm enough for liquid water) of a cool red dwarf star about 120 light-years away in the direction of the constellation ...