Space

Jupiter has been notoriously bad about revealing any water deep in its thick atmosphere. That's changing though.

By Ian O'Neill, Ph.D.

This stellar noodle is the strongest material in the cosmos!

By Ian O'Neill, Ph.D.

Do they even look different?

By Mark Mancini

The government's secret Advanced Aviation Threat Identification Program has spent millions researching UFOs and alien life. Are they covering up their findings?

By Diana Brown

Back in 2006, the International Astronomical Union decided to demote Pluto to the status of a dwarf planet. A historical study challenges that designation.

By Patrick J. Kiger

NASA's Mars rover Opportunity's last words were: "My battery is low and it's getting dark."

By Patrick J. Kiger

We like to think that we aren’t alone in saying a spaceship was the one and only thing we truly yearned for as children. After all, many spent years locked in front of a television, captivated by remarkable space battles, galaxies far, far away, aliens, black holes, and the like. We’ve seen things you couldn’t […] The post The Coolest Spaceships in Science Fiction appeared first on Goliath.

By Jim Halden

It's not uncommon for planets to wander alone through the universe like big, sullen teenagers. But how do they end up flying solo, and could they still harbor life?

By Kate Kershner

It's not just NASA pros staring into the night sky. Lots of skilled amateurs are out there pointing their telescopes into the great beyond. But can the average space enthusiast actually make a critical discovery?

By Kate Kershner

Surprisingly, the solar system isn't odorless — it has a distinct scent that some astronauts like and others think is stinky. So, what does it smell like and why?

By Valerie Stimac

Do you love looking at beautiful pictures of the night sky? How do space photographers get those shots? And could you join their ranks?

By Valerie Stimac

And this month's buck moon is extra-special because it is a supermoon!

By Valerie Stimac

Kepler-186f was the first Earth-sized planet found within its star's habitable zone. But there's still a lot we don't know about it.

By Melanie Radzicki McManus

The four Jovian planets are officially designated as gas (and/or ice) giants. Which planets are they and what makes them so unique?

By HowStuffWorks.com Contributors

Terrestrial planets include the four closest to our sun, including Mercury, Venus, Earth and Mars. What else makes these celestial bodies terrestrial planets?

By Mitch Ryan

Move over Saturn. There are other planets in the solar system surrounded by ring systems.

By Mitch Ryan

Gliese 581c was one of the first "Earth-like" planets found, back in 2007. It generated a lot of excitement then but what about now?

By Kathryn Whitbourne

Whether or not we are alone in the universe is one of life’s greatest mysteries. On Earth we find ourselves in the “Goldilocks Zone,” which means that conditions are just right for hosting life, but we have discovered other Earth-like planets deep in space, as well as planets that are thought to have water (which […] The post 10 Reasons That Aliens Probably Exist appeared first on Goliath.

By Jonny Hughes

From time to time, we all gaze up at the stars and wonder about outer space. It can be an incredibly mind-blowing, beautiful, fascinating, exciting and even scary place to think about, as it is so incomprehensibly vast and unexplored and it contains so many secrets. We seemingly discover new things about outer space each […] The post 8 Mind-Bending Facts About Outer Space appeared first on Goliath.

By Jonny Hughes

History doesn’t believe or disbelieve in UFOs. There are a handful of UFO sightings documented by Roman historians from around 2,000 years ago, but they seem about as credible as the existence of Zeus. More than 95 percent of all UFO sightings can be easily dismissed as military aircraft, stars, planets, meteors, flares, weather balloons […] The post The 10 Most Legitimate Cases of U.F.O. Sightings appeared first on Goliath.

By Kevin Saltarelli

Astronomers have just discovered a gas in Uranus' clouds that does nothing to help the planet being taken seriously.

By Ian O'Neill, Ph.D.

Recently, there's been a spike in UFO sightings — officially UAP, or Unidentified Aerial Phenomena — all over the world and nobody seems to know why or what the objects we're seeing might be.

By Jennifer Walker-Journey

Amazon CEO Jeff Bezos and his brother plan to blast into space next month. But even if you're not related to a billionaire, you can still experience the fun of space at a 'down-to-Earth' price.

By Valerie Stimac

Yep, two small-bodied Russian tortoises made it to the moon and back before man did.

By Mark Mancini

The Chinese space station Tiangong, now with its first crew of astronauts, is scheduled for completion in 2022. What does that mean for the future of the aging International Space Station and multinational space cooperation?

By Patrick J. Kiger & Desiree Bowie