Geometrically, a parabola is the set of all points in the plane which are equally distant from a fixed point, called the focus, and a fixed line, called the directrix. We will say more about this geometric definition below. Algebraically, a parabola is...

In mathematics, the parabola (pronounced /pəˈræbələ/, from the Greek παραβολή) is a conic section generated by the intersection of a right circular conical surface and a plane parallel to a generating straight line of that surface. A...

I was working with my Y8 class this week on straight line graphs. I was asking pupils to invent examples of equations that would give straight line graphs and say how they would look. To check, I was entering them into a graph-plotting program...

Parabola Offers New Audio Series for Children On the heels of Parabola's hugely successful audio and video versions of Joseph Campbell and The Power of Myth, Parabola Audio Library, an imprint of the Society for the Study of Myth and Tradition, has...

A team of French doctors planned to slice a cyst off a man's arm Wednesday in the world's first zero-gravity surgery, operating aboard an airplane soaring and diving in and out of weightlessness. The experiment is part of...

Free of his wheelchair and tethered only to heart rate and blood pressure monitors, astrophysicist Stephen Hawking on Thursday fulfilled a dream of floating weightless on a zero-gravity jet, a step he hopes leads to further space adventures."It was amazing," Hawking said after the flight.The...