Mars is known as the 'Red Planet.' Learn about its reddish hue, caused by iron oxide, its position as the fourth planet from the Sun, and its significance in space exploration.

The Red Planet reaches its best position all year this week on January 15. Here’s how and when to get out and see it.

Mars is home to perhaps the greatest mystery of the Solar System: the so-called Martian dichotomy, which has baffled scientists since it was discovered in the 1970s.

As Mars approaches opposition this week, it will become a dazzling spectacle in the night sky. See it at its best now, or wait until 2027.

Venus and Saturn are currently in conjunction, meaning the planets appear close together in the night sky from Earth. These two planets are visible in the southwest sky.

It’s a term used by astronomers to describe when Earth, Mars and the Sun align. When this happens, Earth sits directly between Mars and the Sun, positioning the red planet directly opposite of the Sun in the sky.

WASHINGTON (AP) — President Donald Trump planned to meet Wednesday with a small contingent of the most politically endangered House Republicans as the party struggles to agree on a strategy for implementing the tax cuts and other priorities that it promised voters.

And a wave of arrests could quickly spark a backlash, depending on how they happen. U.S. immigration agents have long abided by guidance that deters arresting parents or students at schools and other sensitive places, but some of Trump’s rhetoric has raised questions about whether those policies will persist.

The European Space Agency (ESA) wants to develop key technologies for a Mars surface lander by the mid-2030s.

LONDON (AP) — Prince Harry claimed a monumental victory Wednesday as Rupert Murdoch’s U.K. tabloids made an unprecedented apology for intruding in his life over decades and agreed to pay substantial damages to settle his privacy invasion lawsuit.