One summer night in 1877, American astronomer Asaph Hall was looking through his telescope in Washington, D.C. Mars was at its closest point to Earth in its orbit, and Hall had one question on his ...

If you're going to Mars you'd best take along a jar of anti-aging cream because while you're there you're going to age faster ...

Even Mars rovers like to chase solar eclipses. photo of the yellow-orange sun being partially eclipse by the potato-shaped mars moon phobos Measuring roughly 17 miles by 14 miles by 11 miles (27 by 22 ...

A space probe flying past Mars captured images of the red planet's small, mysterious moon. While on a flyby of Mars, Hera was able to use three of its imaging instruments to capture images of Deimos, ...

"A three-body problem is extremely complicated. Now we're dealing with four: the sun, Earth, the moon and Mars. The heavy ...

Summary: Time doesn’t flow uniformly across the solar system, and new research reveals just how differently it unfolds on Mars compared with Earth. By tracing subtle gravitational and orbital ...

The moon and Mars will share a close approach in the night sky tonight (Nov. 20), coming close enough together for a nice pairing for the naked eye or binoculars. As seen from the United States, the ...

The full moon will pass in front of the planet Mars on Monday night, Jan. 13. For the Duluth region it will cover the planet for just over an hour from 8:13 to 9:12 p.m. local time. Earlier in the ...

On Earth, knowing the time feels simple. Your phone pings the same second as a GPS satellite and an atomic clock in a lab.

Ask someone on Earth for the time and they can give you an exact answer, thanks to our planet's intricate timekeeping system, ...