With an equatorial diameter of 7926 miles (12,760 kilometers), our planet Earth is the biggest of the terrestrial planets and ...

Saturn’s rings are an arresting sight even through modest telescopes. The planet is made mostly of hydrogen and helium whereas the rings are billions of pieces of mostly bright-white water ice and ...

“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 system was the only planetary system known to humans. We had no proof other ...

Curiosity has been exploring the Gale Crater since August 2012. According to NASA, Curiosity was the largest and most capable rover ever sent to Mars when it launched in 2011. Its recordings aimed to ...

New Evidence Suggests Water Was Present in Liquid Form ...

NASA’s Curiosity rover has uncovered wave-like patterns carved into Martian rock, suggesting that liquid water existed on the ...

Trans-Neptunian objects (TNOs) are icy bodies that vary widely in size, from large dwarf planets like Pluto and Eris—each ...

Vandenberg Space Force Base, in coordination with NASA, is set to provide a comprehensive mission overview for the eagerly ...

NASA’s Jet Propulsion Laboratory described the complicated maneuver that will get the Trailblazer in a position to reach ...

NASA's Curiosity rover photographed remnants of rippling waves in an ancient Martian lakebed, proving that the Red Planet had ...