Astronomy
Early Galaxies Churned Out Stars Like Crazy
Talk about an assembly line! Some early-stage galaxies created stars thousands of times faster than our Milky Way does today, according…
How to Spot Near-Earth Asteroid 1998 QE2 This Week
A large asteroid visits our fair corner of the solar system this week, and with a little planning you may…
How Much Light Has The Universe Created Since the Big Bang?
The universe, most cosmologists tell us, began with a bang. At some point, the lights turned on. How much light…
Rocky Alien Planets: What The Heck Is On Their Surfaces?
We don't have the budget yet to send Star Trek's U.S.S. Enterprise to probe the surface of strange new worlds,…
Famed Pair of Stars Closer To Earth Than We Imagined
If you're a semi-serious amateur astronomer, chances are you've heard of a variable pair of stars called SS Cygni. When you…
Book Review: “Space Chronicles: Facing the Ultimate Frontier” by Neil de Grasse Tyson
For those fans of Carl Sagan's Pale Blue Dot, there's finally a successor volume to that. Neil deGrasse Tyson's Space Chronicles: Facing…
The Birth of a Saros – This Weekend’s Hidden Eclipse
As the first eclipse season of 2013 comes to an end this weekend, an extremely subtle lunar eclipse occurs on the night…
Seeing the Red of ‘La Superba,’ a Magnificent Springtime Carbon Star
The Universe can be a very gray place. But this week, we’ll look at a fine example of a class…
An Awesome Annular Eclipse! Images and Videos from Earth and Space
A spectacular annular eclipse of the Sun was witnessed across Australia and the southern Pacific region early today. Morning dawned…
This Diagram is Better than 183,487 Images
When it comes to immediate and widespread appeal, astronomical diagrams have it tough. There's a reason we have Most Awesome…