Cosmology
What if the Earth had Two Moons?
The idea of an Earth with two moons has been a science fiction staple for decades. More recently, real possibilities…
Why Do We Live in Three Dimensions?
[/caption] Day to day life has made us all comfortable with 3 dimensions; we constantly interact with objects that have…
A Star-Making Blob from the Cosmic Dawn
[/caption] Looking back in time with some of our best telescopes, astronomers have found one of the most distant and…
A New Look at the Milky Way’s Central Bar
[/caption]You may have heard about the restaurant at the end of the Universe, but have you heard of the bar…
Underwater Neutrino Detector Will Be Second-Largest Structure Ever Built
[/caption] The hunt for elusive neutrinos will soon get its largest and most powerful tool yet: the enormous KM3NeT telescope,…
Looking at Early Black Holes with a ‘Time Machine’
[/caption] What fed early black holes enabling their very rapid growth? A new discovery made by researchers at Carnegie Mellon…
Sagittarius Dwarf Galaxy – A Beast With Four Tails?
[/caption] Galactic interactions can have big effects on the shapes of the disks of galaxies. So what happens when a…
Astronomers Discover Ancient ‘Ultra-Red’ Galaxies
[/caption]A team of astronomers, led by Jiasheng Huang (Harvard-Smithsonian Center for Astrophysics) using the Spitzer Space Telescope, have discovered four…
Cygnus X – A Cosmic-ray Cocoon
[/caption] Situated about 4,500 light-years away in the constellation of Cygnus is a veritable star factory called Cygnus X... one…
Positron Signaling For Dark Matter Inconclusive
[/caption] A couple of years ago, the Payload for Antimatter Matter Exploration and Light-nuclei Astrophysics, PAMELA, sent us back some…