Cosmology

A total lunar eclipse on April 15, 2014, was captured by Scientific American readers around the globe

A total lunar eclipse will coincide with Mars's closest approach to Earth, offering stargazers an unusual show

The IceCube experiment has taken hits from three neutrinos carrying energies above the outlandishly high peta–electron volt range that suggest they may radiate from titanic explosions in the depths of space
 

Excess gamma-ray light at the galactic center may indicate invisible dark matter particles
 

The stars in the nearby Segue 1 dwarf galaxy have fewer metals than any other galaxy known, suggesting the object is a relic from the baby universe
 

Gas from another galaxy is hitting our own, triggering the birth of bright new stars and adding fresh luster to the Milky Way

It’s not usually put like this, but the discovery of primordial gravitational waves two weeks ago has given us our first direct glimpse of a period before the big bang.

This video made me laugh harder than anything I’ve seen in a long time. Okay, except for some Louis CK videos. But for a non-comedian (allegedly)… this is hard to beat.

A decades-old paradox returns

The BICEP2 experiment’s potential discovery of spacetime ripples may provide support for the concept of many universes, but critics are unconvinced
 

The big bang findings strengthen the case for the multiverse and all but rule out a "cyclic universe"

Do yourself a favor. Don't read this article just yet--first, take a moment to zoom around this incredible panorama of our galaxy and soak in the splendor: http://www.spitzer.caltech.edu/glimpse360/aladin.