The above image shows a 20-meter-long chunk of frozen carbon dioxide falling off a cliff. Rising temperatures during the ...

NASA is working on a groundbreaking nuclear electric propulsion system that could dramatically speed up trips to Mars. The ...

A world-leading designer of space robots says gigantic new rockets being tested by billionaires Elon Musk and Jeff Bezos are creating a “Golden Age of Space Exploration.” ...

don’t worry — it will remain large and bright for several weeks as its distance from Earth increases. I personally enjoy listening to Gustav Holst’s “Mars, the Bringer of War” while ...

G. Wells’s War of the Worlds, the first sign of the interplanetary invasion was great explosions on Mars. Since Mars revolves only a little more slowly than the earth does (its day is about 24½ ...