War’s Echoes: How Childhood Traumas Amplify PTSD Risk for Military Veterans

Europe's space telescope launches to target universe's dark mysteries

Growing Up in the Space Age: Summer Vacations of the ‘70s

The first photos of the Sun were taken in 1845 by French physicists Louis Fizeau and Lion Foucault. In the 1860s, Warren de la Rue recorded the complete 11 year solar cycle in a series of almost 3000 images that clearly showed sunspots and other features