As the United States prepares to celebrate its 250th anniversary, the history of the solar system tells its own story of ...

A person standing on the largest volcano in the solar system would never know it. Olympus Mons rises 70,000 feet over Mars on ...

Scientists have uncovered evidence of a massive magma system beneath Mars' surface, challenging the long-held belief that ...

The average vacation requires a budget, a suitcase and maybe a passport. SpaceX CEO Elon Musk is talking about budgeting for ...

Earth receives about 7 percent less light during aphelion than during its closest approach to our star, yet the average ...

NASA's New Horizons found the solar wind slows as it nears interstellar space, helping improve models of the solar system's ...

For most space missions, the launch is the headline moment. For BepiColombo, the real milestone arrives years later.

As part of plans to establish a lunar base, the space agency may send to the moon a spare test version of the rover — as well ...

When the U.S. was born, humanity was still seven years away from balloon-borne flight. Where might we be another 250 years from now, should the nation be fortunate enough to survive that long?

July offers several celestial events for skywatchers. From close pairings of the moon and planets to a passing comet, prime ...

Cleaning a space toilet while on work experience was Claire Parfitt's first introduction to a career away from Earth's orbit.

A waning crescent Moon will pass close to Saturn, Mars, and the Pleiades star cluster in the predawn sky on July 7 and 8, 2026, giving early risers across the Northern Hemisphere a chance to spot four ...