Tossing a bad guy into the Sun sounds simple enough, but orbital mechanics make it a far trickier task than you'd expect.

Earth, captured once a day by the EUMETSAT meteorological satellite, have been time-lapsed. (video looped) Credit: Simon ...

The sun isn't always the gentle, life-giving star we see during peaceful sunrises and sunsets. Sometimes it awakens with ...

Earlier this month, Google researchers released a paper about “Project Suncatcher,” the company’s research “moonshot” to ...

Portal Systems' new Supernova satellite will use sunlight and a special 3D printed thruster to heat ammonia to propel itself ...

For the first time, scientists have built a digital version of the Milky Way that follows the motion of individual stars, not ...