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.

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

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

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 ...

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.