Harnessing this energy could make voyages to the outer reaches of the Solar System — or even to neighboring stars — feasible ...

NASA's Pioneer 11 spacecraft left the solar system! This was the second spacecraft to travel beyond the planetary part of our ...

But in the grand scheme of the solar system, Earth's Moon isn't as big as you might think. Oberon is Uranus’s second-largest ...

The launch of the Blue Ghost module, scheduled to land on the moon early next month, is a key step in creating an Earth–moon ...

Callisto, the third largest moon in the entire solar system, orbits Jupiter from about 1.2 million miles away. The rocky ...

The possibility of an asteroid hitting Earth and causing damage in 2032 has continued to increase since the asteroid was ...

The threat of a newly discovered asteroid has risen slightly in the past few weeks, as the world’s telescopes rush to track ...

The Exploring Venus with Electrolysis (EVE) idea calls for balloons that can fuel themselves in the planet's atmosphere.

While Semeter is studying the ionosphere, the SHIELD NASA DRIVE Center, a team of astrophysicists from different universities ...

“New Horizons shattered a major paradigm of planetary science,” says Alan Stern, the mission’s principal investigator. “Pluto ...

Planet demographics reveal a puzzling lack of worlds in a certain size range throughout the galaxy F or centuries our solar ...