In a new study published in the journal Nature Astronomy, scientists say mineral-rich layers of clay on Mars were once ideal ...

Discover why Earth's farthest distance from the sun coincides with summer heat, then grab your binoculars for a week of ...

NASA's Mars Pathfinder mission arrived on Mars and began transmitting images from the surface of the Red Planet. The rover, ...

The Griffith Observatory in California had a great view of the Mars-Moon occultation. See the Red Planet slip behind the moon ...

Microbes have been discovered alive inside 2-billion-year-old rock, offering a rare window into Earth’s deep past. Found in ...

NASA said the comet will make its closest approach to the sun in late October, scooting between the orbits of Mars and Earth ...

The planets in order from the Sun are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. If you include the ...