Posts by 

Deborah Byrd

When the moon sweeps past Venus

This image is from a year ago. But if you look in the eastern, predawn sky around now, you'll see the moon near Venus again.

Researchers can now reconstruct your memory of someone’s face

“It is a form of mind reading,” said Marvin Chun, professor of psychology, cognitive science and neurobiology and an author of the paper in the journal Neuroimage.

Video: Grizzly eats my GoPro

Brad Josephs, who captures video of grizzlies and wolves in Alaska, commented, "Note to self: when filming grizzly bears, never hide your camera in a fish."

Vortex star trails

Our friend Sergio Garcia Rill captured a photo in Arches National Park in eastern Utah, then processed it in a way he'll explain to you.

Night sky as Milky Way and Andromeda galaxies merge

As seen on Cosmos ... the collision and merger between our Milky Way galaxy and the nearby Andromeda galaxy 4 billion years from now.

Saturn’s largest and second-largest moons

The Cassini spacecraft captured this image on June 16, 2011. These are two of Saturn's moons - the largest moon Titan and second-largest moon Rhea.

Video: Are we loving manatees to death?

Manatee season at the Crystal River National Wildlife Refuge in Florida is November 1 to March 31. You can almost imagine the manatees breathing a sigh of relief.

Death of a snowflake

On the first day of spring for us in the Northern Hemisphere, check out this series taken yesterday of a snowflake, melting. Happy spring, everyone!

Amazing green flash atop sun pyramid

The green flash is an optical phenomenon you can see shortly after sunset or before sunrise. For a second or two, the upper rim of the sun flashes green.

Almost snack time for our galaxy’s supermassive black hole

Telescopes around the world are turning to our galaxy’s center, to watch our Milky Way's supermassive black hole consume a gas cloud.