Posts by 

Deborah Byrd

See it! Moon sweeps past Venus

People around the world watched this week as the waning crescent moon swept near the very bright planet Venus, and fainter star Aldebaran, in the east before dawn.

The Day the Earth Smiled

A mosaic of people on Earth waving at Saturn on July 19, 2013, the day Earth smiled. NASA called it "a global moment of cosmic self-awareness."

Have you seen the Mayak satellite?

On July 14, an amateur group in Russia launched a small satellite called Mayak. They said it would become the "brightest shooting star" in the sky. Why'd they do it? Here's how to look for it.

Rainbow and road

Photo by Mike Taylor, who is based in Maine. He calls this photo Innuendo.

Moon shadow versus sun reflection

This 5-second video shows a reflected image of the sun - a sun glint - as a bright spot crossing Earth from right to left. It also shows a dark spot - the moon's shadow - moving the opposite way.

Does your dog pronk?

Among wild animals, pronking may be a way of avoiding predators. But when you see an animal pronk, you can't but think it's leaping for joy.

Watch for Venus and Aldebaran

You can't miss the star right next to brilliant planet Venus, in the east before dawn now. It's Aldebaran, the Eye of the Bull in the constellation Taurus.

Peering toward the Cosmic Dark Ages

During the Cosmic Dark Ages, our universe matured from a primordial soup of neutral gas to the star-filled cosmos we see today. A new study probes this mysterious time.

No commands to Mars craft in late July

NASA says to blame the sun for its moratorium on sending commands to Mars from July 22 to August 1.

Strange radio signals from nearby star

A 10-minute observation in May of nearby star Ross 128 yielded a peculiar radio signal. Further observations planned for Sunday night.

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