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

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

Out of all the planets in the solar system, Earth is held at the highest prominence. It's consistent shift of the tectonic ...

The Red Planet meets the distant ice giant Uranus in the constellation Taurus, visible together in any optics early this ...

Once it was clear that the finding was most likely real, the team took a closer look at the chemistry of the material nearest ...

Experts from around the world have, for the first time, seriously examined the possibility of sending humans to Titan, exploring the technological challenges, potential benefits and the steps that cou ...

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

A conjunction on Saturday, July 4, sees Mars and faint Uranus extremely close together in the pre-dawn sky, offering ...

Seismic data from NASA’s InSight mission reveals a hidden compositional boundary inside Mars that matches what forms inside ...

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

NASA's Curiosity rover found pure sulfur crystals inside a rock after backing over and accidentally crushing it on May 30, ...

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