Posts by 

Deborah Byrd

This date in science: “I am Jeremiah Dixon”

With Charles Mason, he established the Mason-Dixon line, which later marked a cultural boundary between the U.S. North and South.

View from a Pacific coast mountaintop

San Francisco photographer Meggie Raeder captures the view from Fremont Peak, near San Francisco.

Don’t miss this photo of Phobos

ESA's Mars Express spacecraft captured this photo of Phobos - the larger of Mars two moons - orbiting in front of its planet.

Earth seen from Saturn July 19, 2013

NASA has released the images of the Earth and moon taken on July 19, 2013, otherwise known as "the day Earth smiled."

Official trailer for Neil deGrasse Tyson’s re-release of Cosmos

Neil deGrasse Tyson's version of the classic Cosmos series will be coming to a TV screen near you in 2014.

Video: Ride with the Cassini spacecraft orbiting Saturn

It's eight years of time and 200,000 images compressed into 4 minutes of video. An awesome way to experience Cassini's tour of Saturn.

Raw image Earth and moon from Saturn

On Friday, the Cassini spacecraft, Saturn and the sun were aligned so that Cassini could capture Earth's picture from distant space. Cassini got the moon, too!

First humans on the moon

Were you alive when this happened? Can you remember how exciting it was?

The day Earth smiled, a global moment of cosmic self-awareness

NASA's Cassini spacecraft will be photographing Earth through the rings of Saturn on Friday, July 19, and - if you're in the Americas - you can join the shot.

An aurora, and the start of meteor season

The sun is in an active part of its 11-year cycle, so auroras have been frequent. Meanwhile, summer meteor season in the Northern Hemisphere is gearing up.