A 22-foot Fraser fir spins slowly in the middle of a Pennsylvania garden this winter, ringed by giant handmade red ornaments.

Capella, the sixth brightest star in the sky, flashes red, green and blue on autumn evenings. Here is how to find it and three star clusters nearby.

BETHLEHEM -- On Christmas Eve in 1741, Moravian settlers named this Pennsylvania city after the biblical birthplace of Jesus. Nearly 300 years later, Moravians continue celebrating their Christmas ...

The Orionid meteor shower peaks October 21–22, bringing the potential for up to 20 meteors per hour. Here's when and where to ...

Astronomers have discovered the first white dwarf “zombie” star with a “ghostly green glow” that they say it got from eating ...

Astronomers for the first time have identified a green star, documenting a dense stellar remnant called a white dwarf that ...

But the light from the signal was puzzling. In black widow binaries, the light appears to wobble as a result of a very light, low-mass object, such as a small companion star, whipping around a much ...

BETHLEHEM, Pa.- A new chapter is under way in the storied history of Bethlehem's historic Moravian Book Shop. On Wednesday morning, the store at 428 Main Street held an official grand re-opening ...

BETHLEHEM, Pa. -- The Fourth of July has come and gone, but people are still celebrating the nation's anniversary in Bethlehem. They gathered along Main and Broad streets Sunday afternoon for an ...

Bethlehem’s Moravian Book Shop — the oldest bookstore in the United States and the oldest continuously operating bookstore in the world — is getting new management for the next phase of its life.

Red dwarfs make up the vast majority of stars in the galaxy. Such ubiquity means they host the majority of rocky exoplanets we've found so far—which in turn makes them interesting for astrobiological ...

Light emerges from a dusty disk ejected from a waning star's surface just a few hundred years ago in the Egg Nebula. Credit: ESA / NASA / B. Balick (University of Washington) A new Hubble Space ...