A vast region of our solar system, called the Kuiper belt, stretches from the orbit of Neptune out to 50 or so astronomical ...
Nemesis theory suggests a hidden brown dwarf companion star triggers mass extinctions every 26 million years, but advanced ...
Could a passing star be on a collision course with our solar system and, eventually, Earth? It’s difficult to know if such an outcome is likely. Recently, researchers have found the Milky Way likely ...
New research suggests that the close passage of a nearby star,HD 7977, might have sent comets from the outer reaches of the ...
One of the closest and brightest globular clusters visible from Earth, M22 contains hundreds of thousands of stars packed into a tight, elliptical shape about 10,000 light-years away. Photograph by ...
"The Pluto flyby happened, and I was in the right place at the right time - perfectly positioned to fall in love with it," ...
On July 14, 2015, NASA's New Horizons spacecraft arrived at Pluto for the first time. The craft flew within 7,700 miles of the planet and is sending back reams of data and the highest resolution ...
Cernan Earth and Space Center at Triton College in River Grove has a full slate of holiday programming that’s fun and ...