The prevailing Lambda Cold Dark Matter (LCDM) model, based on the Big Bang and subsequent inflation, faces challenges including the inability to explain the universe's homogeneity and the singularity ...

If you care for a child who experiences severe nausea and vomiting — or do so yourself — you’ll want to understand everything you can about how to treat it and what to expect as time passes. Learn ...

New research reaffirms what many of us have known for years: Longer exhalations calm the autonomic nervous system, reduce physiological arousal, lower stress, and take the edge off anxiety. Graphical ...

Meet the Big Crunch: In this theory on the origins of the universe, the Big Bang was not the beginning, but a repeating pattern of expansion and contraction. In Paul Steinhardt’s corners of the ...

Cyclic vomiting syndrome (CVS) is characterized by episodes of uncontrolled nausea and vomiting. Catamenial CVS is a subtype that’s tied to the menstrual cycle. Cyclic vomiting syndrome (CVS) is a ...