Researchers revealed that the planet, named HD 20794 d, has a mass six times greater than Earth's and orbits within the ...

A White House science advisor recently war-gamed with space agency heads worldwide to devise a planet-saving defense to an ...

Deep within Earth’s mantle lie two enormous, continent-sized structures known as LLVPs. Scientists once believed these ...

Mars may have once had a vast, ice-free ocean, according to new evidence from China’s Zhurong rover. Using ground-penetrating ...

A total lunar eclipse occurs this month. Venus transitions from evening to morning, while Mars and Jupiter dominate the late ...

Sedona Red Rock News Managing Editor and Sedona Poetry Slam founder Christopher Fox Graham has become the second Sedona resident to have a celestial body named after him with the recent redesignation ...

During the past year, place names from the Grand Canyon have turned up on the surface of Mars. To find out why, author Scott ...

For decades, something strange has lurked inside the icy giants of our solar system. Uranus and Neptune, distant blue worlds ...

Mars may have once hosted an ocean with waves that lapped against sandy beaches 3.6 billion years ago, according to new ...

An astronaut who spent 178 days in space has revealed the 'big lie' he discovered while he was up there. Former NASA ...