Why do we tend to assume that UFOs are crafts carrying alien beings rather than alien beings themselves? How the UFO ...

Night Sky This Week. Discover this week's must-see night sky events, moon phases, and stunning astrophotos. Sign up for our ...

A planet with one side permanently roasting and the other frozen in endless darkness might still have a chance of supporting life. Researchers found that heat inside a tidally locked exoplanet could ...

As the trailer quickly underlines, any relative calm soon gives way to relentless chases and gun battles on foot, in cars and ...

The Universal Celestial Goodnight show will run nightly at Celestial Park right before the park closes around 9 p.m.

It’s been almost ten years to the day since this experience, and I still get a little thrill in my chest when I think about ...

The pilots dubbed the fireballs “foo fighters” but had no idea what they were. Plasma? Enemy tech? Aliens? We still haven’t ...

Plus, your first look at the 'Mr. Miracle' animated series.

Violent lightning, deafening thunder and torrential rain swept across London after days of record-challenging temperatures.

At 80, SF author M John Harrison is producing some of his best work. He talks about finding his voice, alien intelligence and the advice from Iain Banks that still spurs him on Three years ago, in a ...

Read a National Geographic magazine article about auroras and get information, facts, and more about magnetic storms.

Steven Spielberg’s sci-fi blockbuster is a non-stop thrill ride, but did it convince you that we are not alone? This article contains spoilers for Disclosure Day Six months after a cryptic billboard ...