An international research team led by scientists from the University of Vienna has uncovered new insights into how ...

A new investigation into old Kepler data has revealed that a planetary system once thought to house zero planets actually has ...

A chemical pregnancy is an early pregnancy loss at around 5 weeks or less. At this stage, a pregnancy is detectable with a pregnancy test but will not show on an ultrasound.

By Rong-Gong Lin II Los Angeles Times Jun 1, 2011 Updated Jun 1, 2011 ...