Scientists found a mysterious rogue planet roaming aimlessly outside our solar system. What if it came closer?

Updated measurements from NASA’s Juno spacecraft could help researchers better understand the planet's mysterious interior, ...

A colossal coronal mass ejection (CME) has struck Earth, triggering severe (G4) geomagnetic storm conditions that could push the northern lights much farther south than usual tonight (19–20 January).

From Voyager 1’s record-breaking journey into interstellar space to Uranus’s sideways spin creating decades-long seasons, the solar system is full of astonishing phenomena. The Moon keeps human ...