Noctilucent Clouds – Electric-Blue Visitors From The Twilight Zone
Every year at this time I add a new item to my list of what to watch for in the…
How Old Is The Earth?
This article comes from the Universe Today archive, but was updated with this spiffy video. How old is the Earth?…
Black Hole Secrets: Revealing The S-Star
Deep in the heart of the Milky Way resides a black hole. However, that is not the mysterious object which…
Beautiful Timelapse of a Triple Planetary Conjunction
We've shared oodles of great images from the recent planetary conjunction of Jupiter, Mercury and Venus, visible in the evening…
Black Holes Can Get Really Big, And We Have No Idea Why
Right now, as you read this article, it's quite possible that the ultra-huge black hole at the center of our…
Surprise! Earth Passing Asteroid 1998 QE2 Has a Moon
Late yesterday, NASA turned the 230-foot (70-meter) Deep Space Network antenna at Goldstone, California towards Asteroid 1998 QE2 as it…
New Images of Comet ISON Hurtling Towards the Sun
As Comet C/2012 S1 (ISON) heads closer to Earth, we’re getting a better view of what has been billed by…
NASA’s Particle-Hunting ISS-CREAM Will Be Anything But Vanilla
Balloon-based research on cosmic particles that began over a century ago will get a big boost next year -- all…
This Machine Could Help Robots Stick The Landing On Other Worlds
Mission planners really hate it when space robots land off course. We're certainly improving the odds of success these days…
Saturn’s Moon Dione May Have Been Active Like Enceladus
From a JPL press release: From a distance, most of the Saturnian moon Dione resembles a bland cueball. Thanks to…