In 1.2 million years, the orange dwarf Gleisa 710 will pass through the outer reaches of our solar system, becoming a brilliant point in the night sky while nudging the distant Oort Cloud. Though ...

Spiral Galaxy from Kirkland et al. CREDIT Chris Kirkland and colleagues. A new study of zircon crystals from two of Earth’s oldest continents indicates that the formation of Earth’s continental crust ...

Voyager 1, launched in 1977, has traveled farther than any spacecraft in human history. After more than four decades of silent endurance through space, it now sails beyond the orbit of the outer ...