The dwarf planet Sedna will fly nearer the Sun in 2076. A nuclear rocket or a solar sail spacecraft could reach it within 7 ...

An object that appears to be from beyond our Solar System has been spotted hurtling towards the Sun, which if confirmed would ...

The James Webb telescope has made another stunning discovery -- this time of a massive planet that could potentially sustain ...

The object was first noticed by NASA's Asteroid Terrestrial-impact Last Alert System (ATLAS), with further observations quickly pouring in from both professional and amateur astronomers worldwide.

NASA's James Webb Space Telescope has been unwaveringly focused on our universe. With its unprecedented power to detect and ...

Three new full-dome movies will highlight the July schedule at the University of Wyoming Harry C. Vaughan Planetarium.

James Webb’s mid-infrared vision has likely captured a frigid, Saturn-mass planet shaping the dusty rings around the nearby ...

To get a glimpse of the “Swift Planet,” EarthSky suggests waiting for the sun to set before looking west for the planet ...

"Given its orbital period of 11 thousand years, scientists have been proposing missions for launch in the next few years ...

Stars passing close to the sun could cause planets to collide, including with Earth, or even be ejected as rogue planets, new ...

In the outer reaches of our solar system, far beyond the orbit of Pluto, lies Sedna, one of the most mysterious objects ever ...

Close stellar encounters could change the structure of our planetary system, potentially dooming Earth or other worlds to oblivion ...