A galaxy cluster in the early universe is 10 times hotter than it ought to be, which may reshape how we think these enormous ...

An international team of astronomers has uncovered multiple evolutionary paths for the universe's most massive galaxies. Observations of ultramassive galaxies, each containing more than 100 billion ...

A reduced genome in an island species raises evolutionary questions.

How Authentic Leadership and Justice Sustain Motivation in Post-Revolution Tunisia In crisis contexts characterized by ...