Posts by 

Deborah Byrd

Curiosity rover’s self-portrait on Mars

Have you seen the Mars rover Curiosity's self-portrait yet? It's amazing.

Galaxies: Are they different from each other?

Meet 9 individual galaxies, as various as snowflakes, and contemplate the variety of the billions of galaxies in our universe.

Curiosity rover coolest images of Mars so far

Here are my favorite images of Curiosity - or from Curiosity - taken in the 10 days since the Mars rover landed on the Red Planet's surface on August 5-6, 2012.

ALMA telescope: World’s biggest astronomy project

What better goal for the world's biggest telescope - the ALMA telescope - than to probe details of how stars like our sun and planets like Earth came to be?

Video: A flight through the universe

Prepare for warp speed as you watch this video of a flight through the universe.

Earthquake strikes in ocean north of Japan

A very strong 7.7-magnitude earthquake struck in the deep ocean east of Russia and north of Japan. No injuries or casualties reported. No tsunami warning.

Methane lakes in tropics of Saturn’s large moon Titan

Saturn's moon Titan has methane lakes and it's the only place in the solar system, other than Earth, with large bodies of liquid on its surface.

Little Ice Age: What caused it?

Scientists accept that a widespread cooling occurred on Earth, ending around the 19th century. But what caused the Little Ice Age?

Ken Cassman discusses water for food

Ken Cassman spoke with EarthSky about how we can grow more food for Earth's growing population using the same or less water than we’re using today.

What’s Curiosity doing now? Watch NASA TV

NASA TV has been celebrating the Curiosity landing all week, plus talking about what's next. Follow the link in this post to watch.