A Mars image shows a strange square formation. Some think it's artificial, but experts suggest natural causes.

Jupiter and Mars will appear to make ultraclose approaches to the moon on two nights this week. Here's how to get the best ...

A perfectly square-shaped structure on Mars, 3 kilometers wide, spotted in NASA’s Mars Orbiter Camera images, has sparked ...

A new paper released today documents the first soil, airfall dust, and rock fragment samples collected by NASA for return from Mars. The University of Nevada, Las Vegas astrobiologist leading the ...

Humans are inching closer to living beyond Earth, but sustaining life on the moon or Mars requires a critical resource: water ...

including Earth and its Moon. NASA’s InSight mission was designed to probe the interior of Mars and offer an unprecedented look at the planet’s crust, mantle, and core. The lander, which arrived in ...

Deep subsurface microbes are highly diverse, challenging assumptions about life in low-energy environments. This discovery has implications for medicine, energy efficiency, and astrobiology. Which ...

It is not often that all the planets in the Solar System other than ours are lined up across the night sky for us to see.

In a celestial event known as a great alignment the five planets will be discernible with the naked eye, but to see Neptune ...

Researchers have now developed a simple test that could get us closer to the answer. The new method involves looking for ...

ALIENS could discover humans on Earth by spotting one of 12 signs, scientists say. Topping the list is a clue that could be ...

Mars, also called the Red Planet, is one of the most familiar planets in our solar system – apart from Earth, of course ... by Zhurong revealed what Mars looks like and our possibilities ...