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

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, ...

This story was updated to correct inaccurate position of Mars and Earth. Mars will appear its biggest and brightest this month when it reaches its closest position to Earth while simultaneously ...

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

A pipe dream or a scam to enrich himself further? Here's why scientists are skeptical of Elon Musk's dream for humans to colonize Mars.

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 ...

February brings a rare planetary parade, with five bright planets in clear view and a special alignment of Mercury and Saturn ...

As the two planets travel along their orbital paths, Earth will be between Mars and the sun. The red planet will shine brightly each evening, according to NASA. Look for it in the east each night ...

A total lunar eclipse will tint the Moon red-orange on the night of March 13 or early in the morning of March 14, depending ...

This timing quirk occurs because the slightly elliptical orbits of both Earth and Mars cause the latter to be brightest just before opposition. To see Mars at its very best, look east at sunset ...