A U.S. scientist searching for a civilization across 7 Earth clones circling the red dwarf star TRAPPIST-1 says its own alien ...

This NASA Mars Reconnaissance Orbiter image, acquired on May 13, 2018, during winter at the South Pole of Mars, shows a carbon dioxide ice cap covering the region and as the sun returns in the spring, ...

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

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

The 3.7-billion-year-old formations in the planet's Gale Crater suggest the presence of long-gone bodies of liquid water, with no ice covering the surface ...

Earth’s nearest neighbors will be on display in the night sky and inside the Cincinnati Observatory during Nearest Neighbors Night on Saturday, February 1. This event will focus on the three celestial ...

Thousands of mysterious clay mounds found on Mars were formed by ancient water on the Red Planet's barren northern plains, ...

The area containing the clay-bearing mounds is geologically connected to Oxia Planum, which is where Rosalind Franklin will be headed when it launches in 2028 in search of past life on Mars. It now ...

Images of Mars taken from orbit show thousands of mounds in a region sculpted by water billions of years ago. A robotic ...

There is already water on Mars, but it is in the form of ice and mixed with carbon dioxide. According to NASA, they are ...

NASA's achievements, from the iconic Apollo missions to the James Webb Telescope, have redefined space exploration and ...

The car-sized Curiosity rover has spotted evidence of once quite hospitable environs on Mars.