The sun, the center of the solar system, continues to fascinate researchers, and NASA has sent a probe to "touch" the massive star. A new study, however, suggests it may have a long-lost twin. The ...

New research suggests that the close passage of a nearby star,HD 7977, might have sent comets from the outer reaches of the ...

The Oort cloud is a shell of icy objects that forms the very outskirts of our Solar System. Recently, a group of researchers discovered that the inner portion of the Oort cloud likely has spiral arms ...

NASA's James Webb Space Telescope turned to the famed ringed world of Saturn for its first near-infrared observations of the planet in 2023. The Oort clous is thought to have been formed by remnants ...

A twin star of the Sun may have formed along with our solar system, a new study from the Center for Astrophysics finds. If confirmed, the presence of a second star would explain mysteries of the Solar ...

Scientists have debated how many mass extinction events in Earth’s history were triggered by a space body crashing into the planet’s surface. Most agree that an asteroid collision 65 million years ago ...

The Oort cloud, postulated in 1950 by the Dutch astronomer Jan Oort, defines the periphery of the solar system—extending out beyond 100,000 times the Earth-sun separation. It contains billions of icy ...

Just because we don't see them doesn't mean they're not here. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Comets from other star systems, ...

UNDATED (WKRC) - A comet twice the size of Mount Everest will be passing the Earth, according to scientists. While the comet, called Comet C/2017 K2 (PanSTARRS), will not strike the planet, star ...

Artist's conception of a potential solar companion, which theorists believe was developed in the Sun's birth cluster and later lost. M. Weiss The sun, the center of the solar system, continues to ...