Jupiter-like planet 8 UMi b, named Halla, orbits its host red giant star Baekdu closely. The red giant's merger with a white ...

A new study led by a Georgia State University astronomy graduate student is a major step forward in the search for stars that ...

A potential new type of celestial object has all the makings of a normal small galaxy. It’s rich with the same hydrogen gas ...

NASA’s IXPE captures the first X-ray polarization data from a white dwarf system, detailing observations of EX Hydrae and ...

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 ...

For the first time, astronomers have confirmed the existence of a rogue planet, one that doesn't orbit a star, by measuring ...

Through Carnegie Mellon University’s Summer Undergraduate Research Fellowship program, junior physics major Joao Passos is studying brown dwarfs — objects bigger than planets but smaller than stars — ...

On January 5, 2005, astronomers at NASA discovered Eris, the second-largest dwarf planet in the solar system. Eris is just ...

Jan. 5 (UPI) -- On this date in history: In 1776, New Hampshire became the first American state to adopt its own constitution ...

Scientists measure a Saturn-sized rogue planet drifting through the Milky Way using rare Earth and space observations, revealing how planets can be ejected from their original systems.

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

Ground and space-based telescopes have confirmed a microlensing event caused by a rogue planet wandering silently through the ...