We talked about the biggest structures in the Universe, but what about the opposite? The biggest empty spaces in the Universe, the cosmic voids that separate the clusters of galaxies.

How about that Hunter's Supermoon this past weekend, huh? Follow that Moon, as it's meeting up with the Hyades again this week, and occults (passes in front of) Aldebaran Tuesday night into Wednesday morning.

NASA WALLOPS FLIGHT FACILITY, VA - The 'Return to Flight' blastoff of Orbital ATK's upgraded Antares rocket soared to a stellar success this evening, Oct. 17, on a space station bound mission to stock the orbiting outpost with two and a half tons of science and supplies.

When it comes to everything from stellar objects to atoms and chemical compounds, binding energy is the measure of what holds it together - and what would be needed to split it apart.

NASA WALLOPS FLIGHT FACILITY, VA - The 'Return to Flight' blastoff of Orbital ATK's upgraded Antares rocket will have to wait one more day to come to fruition with a magnificent Monday night launch - after a technical scrub was called this afternoon, Oct. 16, at NASA's Virginia launch base due to a faulty cable.

Volcanoes are a powerful force of nature, and can be found all over the Solar System. In addition to hot lava, they also spew forth cold water and ice.

Several different locations around the world have been called the "wettest place on Earth" at one time or another. Here are some of the top contenders!

A new study of the current rate of meteoroid impacts on the Moon suggests that those iconic astronaut boot prints we thought would be around for 2 million years may instead disappear after something like 80,000!

After a two year stand down, an upgraded commercial Antares rocket was rolled out to the NASA Wallops launch pad on Virginia's eastern shore and raised to its launch position today in anticipation of a spectacular Sunday night liftoff, Oct. 16, to the International Space Station (ISS) on a critical resupply mission for NASA.

New photos taken by the Mars Express probe reveal evidence of buried glaciers in a region that separates the planet's southern highlands and the northern lowlands.

New research from a team of UK scientists shows how the early Universe had 10 times more galaxies than previously thought!

A new study by a team of researchers has shed further light on J1407b, a distant exoplanet that is believed to have a ring system 100 times as big as Saturn's

Fraser gives 5 answers to the question, "why should we explore space when we have so many problems here on Earth?"

Ready for some lunar action of proxigean proportions? This weekend's Full Moon ushers in that most (infamous?) of internet ready cultural memes: that of the Supermoon. This moniker stands above the Blood, Mini, and Full Moons both Black and Blue as the Full Moon of the year that folks can't seem to get enough of, and astronomers love to hate.

The longest living Martian rover ever - Opportunity - has just surpassed another unfathomable milestone - 4500 Sols (or days) exploring the Red Planet !! That's 50 times beyond her "warrantied" life expectancy of merely 90 Sols.