Orbital dynamics show that President Trump’s pledge to land astronauts on Mars couldn’t happen until 2029 at the earliest.

Sometimes, the best innovative ideas come from synthesizing two previous ones. We've reported before on the idea of having a ...

Though it's a cold, dead planet, Mars still has its own natural beauty about it. This image shows us something we'll never ...

A high-tech sensor designed and built at the Lawrence Livermore National Laboratory (LLNL) has now traveled farther than 250 ...

On January 29, 1989, a Soviet space probe named Phobos 2 arrived in orbit around Mars. This was the last space mission ...

There’s been speculation that Donald Trump may cancel the Space Launch System rocket, which Nasa intended to use to get from ...

The new moon of January will be at 7:36 a.m. Eastern Time on Jan. 29, according to the U.S. Naval Observatory, and two days ...

A New Moon is a common lunar event that happens every 29.5 days. These lunations are part of the synodic month measured from ...

Mars' southern hemisphere absorbs a lot of the sun's energy during the Red Planet's spring, and that may be causing Mars' ...

For a brief, but exciting, time last year, Earth had two moons. A small asteroid lingered close to our planet in its orbit ...

Six planets are parading across the sky, appearing as some of the night's brightest stars. A few easy tips can help you ...

The Red Planet beckons us toward it, and the day draws closer when humans will walk on its dusty surface, and the moons of ...