Space

JKCS 041: Very Distant Galaxy Cluster Confirmed

JKCS 041: Very Distant Galaxy Cluster Confirmed

The structures and star populations of massive galaxies appear to change as they age, but much about how these galaxies formed and evolved remains mysterious. Many of the oldest and most massive…
The faint signs of life on Kepler 186-f

The faint signs of life on Kepler 186-f

SETI scientist Gerry Harp writes of a "secret" experiment involving Kepler 186-f.   The senior scientist look only for a tuning fork like signal.  The least likely signal ET would send…
That Square Hole In The Sun

That Square Hole In The Sun

Last year, people began wondering why part of the sun was missing.  What had happened was that changes to the magnetic field were allowing hot plasma to fly off into space toward Earth, creating…
Mysteries Of 55 Cancri Solved

Mysteries Of 55 Cancri Solved

One of the most fascinating nearby planetary systems, 55 Cancri, is now less mysterious. Hopefully. The authors say theirs is the first viable model for  the planetary system of 55…