NASA’s Mars helicopter mission is now officially over, but following it is an even more complex flying machine destined to explore Saturn’s largest moon.
NASA is seeking new ideas for its Mars Sample Return mission after admitting that its previous plan to bring samples from Mars back to Earth was too ambitious.
Researchers recently studied the status of dead stars called white dwarfs, giving a glimpse at what our own solar system will look like in 5 billion years.
Monday's total solar eclipse in the U.S., Canada, and Mexico has been and gone. So when is the next chance to experience this spectacular celestial phenomenon?
Researchers believe they may have identified a set of rainbow-like colorful rings, called a glory, on a planet outside our solar system for the first time.