The workings of our solar system are roughly the same now as they have been for millions of years. Moons circle their planets, the planets circle the sun, the sun’s magnetic fields and sunspots wax ...

Astronomers and amateur stargazers will be in for a treat this week when a seventh planet will join six others in a planetary parade. NASA has launched Lucy, a mission that will explore the 'fossils' ...

Approximately 4.5 billion years ago, a cold cloud of gas and dust buried deep in one of the Milky Way galaxy’s spiral arms started to collapse. From there, gravity worked its magic. The cloud began to ...

In 2009, a pair of astronomers at the Paris Observatory announced a startling discovery. After building a detailed computational model of our solar system, they ran thousands of numerical simulations, ...

At the edge of our solar system, NASA’s Voyager 1 spacecraft has detected a stunning “wall of fire,” a boundary where interstellar space begins. This record 90,000°F barrier, uncovered by the Voyager ...