Michelle Trachtenberg died naturally of complications caused by diabetes mellitus, according to the New York City medical examiner's office.

This year's peak occurs from Monday night into Tuesday morning for those in the U.s. The comet is estimated to take about 415 years to complete a full orbit. Astronomers say the average meteor ...

Q: Why do the planets all orbit the Sun in the same plane? —Randi Eldevik | Stillwater, Oklahoma Because of the way the Sun formed, explains David DeVorkin, a senior curator in the space history ...