Together, the instruments have shown that the rate of hydrogen loss is seasonal, with large increases in the escape rate at perihelion, which is Mars' closest point in its orbit around the sun.

For one, Mars is on average about 50 percent farther from the sun than Earth is, with an average orbital distance of 142 million miles. This means that it takes Mars longer to complete a single ...

Happy New Year's on Mars. Martian years are almost twice as long as Earth years. Nov. 12 is the day to celebrate the start of ...

Mars has a hard, rocky surface with lots ... enough to capture the entire planet It is about five times the distance from the Sun that Earth is and eleven times the width of Earth.

30, NASA's Perseverance rover turned its Left Mastcam-Z camera toward the sky and photographed a solar eclipse from Mars, capturing the planet's moon Phobos partially blocking the sun's disk. In the ...

SpaceX’s concept was among two other ideas about developing “next-generation relay services” capable of beaming 4Mbps or more ...

Measuring roughly 17 miles by 14 miles by 11 miles (27 by 22 by 18 kilometers), this Phobos orbits Mars at an exceptionally close distance ... moon transiting the sun in April 2022 and February ...