Exciting February sky events include Venus at its brightest and closest to Earth, the moon occulting the Pleiades, and a parade of planets in the post-sunset sky.

One lucky East Lancashire stargazer caught a glimpse of the rare celestial phenomenon - the planetary alignment.

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 ...

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 ...

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

A U.S. scientist searching for a civilization across 7 Earth clones circling the red dwarf star TRAPPIST-1 says its own alien ...

Though it's a cold, dead planet, Mars still has its own natural beauty about it. This image shows us something we'll never see on Earth.

Harvard scientists explain how Mars had warm spells billions of years ago, allowing rivers and lakes to exist.

Understanding chorus waves is vital, as they create fast-moving, highly energetic electrons (known as killer electrons) that ...

As Sussan Ley compared the First Fleet's arrival to billionaire Elon Musk's bid to explore Mars in an Australia Day speech, ...

Astronomers who identified HD 20794 d say its proximity to its host star and orbital pattern suggest it could hold water.