Mars, Venus, Jupiter and Saturn should be visible to the naked eye, but get a telescope and you can spot Neptune and Uranus.

Mars has long been known for its dusty red dunes, towering volcanoes, and deep canyons, but recent high-resolution images from NASA’s Mars Reconnaissance Orbiter (MRO) have revealed something far more ...

NASA is working on a groundbreaking nuclear electric propulsion system that could dramatically speed up trips to Mars. The ...

A large asteroid could pass close enough to Earth within the next decade that there's a chance it could strike the planet, according to NASA. The space rock, named 2024 YR4, is between 130 feet and ...

NASA’s Perseverance rover has collected a sample from Mars that has textures “unlike anything we’ve ever seen before.” Known as “Silver Mountain,” the rock core has been sealed into a tube so it can ...

Earth is home to some truly bizarre and breathtaking landscapes — here are 20 that look straight out of an alien world.

The Mars Express orbiter launched to the Red Planet. Twenty years later, ESA has delivered a high resolution color image of Mars along with a time-lapse of "webcam" images that were released in near ...