Moon
What it Would Look Like if the Sun was Replaced with Other Stars?
How would our horizon look if Earth orbited around another star, such as Alfa-Centauri, Sirius, or Polaris? Roscosmos TV has…
Is The Moon A Planet?
What makes a planet a planet? The Moon is so big compared to the Earth -- roughly one-quarter our planet's…
News Flash: Asteroid Flying Past Earth Today Has Mini-Moon!
Wonderful news! Asteroid 2004 BL86, which passed closest to Earth today at a distance of 750,000 miles (1.2 million km),…
See a Rare Comet-Moon Conjunction Tonight
I want to alert you to a rather unusual event occurring this evening. Many of you already know about the triple…
Moonlight Is a Many-Splendored Thing
"By the Light of the Silvery Moon" goes the song. But the color and appearance of the Moon depends upon the particular set…
Cool Video: Space Station Flies in Front of the Moon
This has been on my bucket list for a while, but I've never had the opportunity to witness it myself:…
Half-Moon Makes Dramatic Pass at Uranus Tonight
Sunlight. Moonlight. Starlight. I saw all three for the first time in weeks yesterday. Filled with photons, I feel lighter today,…
Solar System History: How Was the Earth Formed?
Just how did the Earth -- our home and the place where life as we know it evolved -- come…
Earth May Have Lost Some Primoridial Atmosphere to Meteors
During the Hadean Eon, some 4.5 billion years ago, the world was a much different place than it is today.…
This Short Film is a Stunning Preview of Human Space Exploration
One day – and it really is only matter of time – humans will set foot on the surfaces of…