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 has long been known for its dusty red dunes, towering volcanoes, and deep canyons, but recent high-resolution images ...

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 ...

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

With Earthlings having expanded their domain to Mars in Mars Express, Aline Ruby tracks hackers on both planets who "jailbreak" robots, freeing them from their human directives and allowing them to ...

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.

The new moon of January will be at 7:36 a.m. Eastern Time on Jan. 29, according to the U.S. Naval Observatory, and two days ...

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, ...