The Close Approach happens every two years, but Tuesday's encounter at 38.6 million miles away will be the closest to Earth that Mars gets until 2035 Joelle Goldstein is a Senior News Editor on ...

Imagine you could vacation on Mars. At first glance, Mars appears very different from Earth, but if you take ... we reach Hebes Chasma. It's tiny compared to Valles Marineris, but it's worth ...

Two NASA rovers on Mars recently made two independent discoveries further indicating that ancient life may have once existed ...

Credit: NASA This finding bodes well for plans to bring samples from Mars to Earth to analyze them with the most sophisticated instruments available here, the scientists say. "Our study proves ...

Nearly half of Mars dust consists of silica, which on Earth is known to cause silicosis, an incurable lung disease that progressively scars lung tissue. The Martian silica particles measure about 3 ...

‘Small’ asteroids the size of buses or stadiums have been pinpointed between Mars and Jupiter for the ... sized asteroids capable of striking Earth there are in the solar system, because ...

could exhibit features similar to the fatty acids produced on Earth by biological activity. The lack of geological activity and the cold, arid climate on Mars have helped preserve this invaluable ...