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

A new paper released today documents the first soil, airfall dust, and rock fragment samples collected by NASA for return ...

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

On Sunday (Jan. 12), the Red Planet will make its close approach of Earth at 8:32 a.m. EST (13:32 GMT). This event, known as perigee, causes Mars to appear bigger and brighter in the sky than usual, ...

The enchanting dunescape stretches over 43 miles (70 km) along the coast and over 30 miles (50 km) inland. Lençois translates ...

But every 26 months, the orbits of Earth and Mars allow us a closer look at the Red Planet when Mars is at opposition — which will happen on the night of Jan. 15 this year. In the early evening ...

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 ...

This happens when Earth passes directly between Mars and ... Location in the Sky: Look for Mars in the constellation Gemini, where it will appear as a bright red point of light.

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

Thanks to the parallax effect, the Moon's relative motion in its orbit around Earth ... to look. The red planet is currently about 250 times more distant than the Moon. As of Tuesday, Mars is ...

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 ...

Formations that look like jumbo-sized kidney beans (or blobs of chocolate syrup, depending on your palette) may be indicators ...