The Science of Sustainability

Astronomy

Why a Dark Sky Matters

Why a Dark Sky Matters

Big city lights may put some dazzle in the night sky, but they also cause problems for people and other creatures attuned to darkness.

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The State of the Universe: Matter and Age Up, Dark Energy Down

The State of the Universe: Matter and Age Up, Dark Energy Down

The European Space Agency's Planck mission has generated a map of the infant universe that refines our understanding of what it's all made of and has upped its age by 100 million years.

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Antiques Roadshow of the Solar System

Antiques Roadshow of the Solar System

As a space-faring culture, we have now left our marks across the solar system, on planets, moons, asteroids, and in the empty space between them. Some of these “marks” are yet-functioning robotic spacecraft. Some are litter, scattered about the place like so many discarded soda cans, plastic grocery bags, depleted batteries, and defunct electronic devices. Are we trashing our solar system?

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Solar Maximum: Fizzle, or Finale Yet to Come?

Solar Maximum: Fizzle, or Finale Yet to Come?

Has the sun's predicted Solar Maximum in magnetic activity ended early and after a disappointing performance–or is it getting ready to delivery a spectacular finale and a double-peak Solarmax?

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Gliese 667 Cc: Musing the Possibilities of Another Earth

Gliese 667 Cc: Musing the Possibilities of Another Earth

Since the first extra-solar planet was found in 1992, we've made some decent progress in exploring other worlds out there, and may even be zeroing in on that "other Earth."

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Attack of the Killer Electrons! New Mission Searches for Mysterious Space Particles

Attack of the Killer Electrons! New Mission Searches for Mysterious Space Particles

They're out there… lurking in Earth's magnetic fields and damaging any satellite in their path.

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Comets May Have Delivered Life's Early Building Blocks

Comets May Have Delivered Life's Early Building Blocks

The building blocks of life on Earth may have originated in space.

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How Big is Your World?

How Big is Your World?

Is the universe really so big, or are we just very, very small?

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The Mars Rover Curiosity Digs a Little Deeper

The Mars Rover Curiosity Digs a Little Deeper

On February 8th, the rover Curiosity used its drill to bore a hole into a slab of flat bedrock, marking the first time we have probed deeply into the interior of a Martian rock in search of the secrets of Mars' past it may hold.

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Asteroid 2012 DA14: In Line For a Rim Shot

Asteroid 2012 DA14: In Line For a Rim Shot

Duck! Here comes asteroid 2012 DA14, grazing close to where you live on February 15th!

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Mars Mountain Climbing Mashup!

Mars Mountain Climbing Mashup!

The comparison between Earth-side mountain exploration and the planned expedition by the Mars rover Curiosity came to my mind as I read a book my family got me over the holidays: Last Climb, the story of the legendary Mount Everest expeditions of George Leigh Mallory.

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Placing a Bet on the Surface of Mars

Placing a Bet on the Surface of Mars

As Curiosity gets ready to use its rock drill for the first time, we can hypothesize on what it will find.

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The Stars Go For the Gold

The Stars Go For the Gold

The middle-aged adage that we are made from stardust, made popular by Carl Sagan back in the 1970s, pops up in my thoughts now and then. Not just pretty words; it's the literal truth!

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Weighing in With Gravity

Weighing in With Gravity

Feel like you've gained a couple of pounds over the holidays? Try the geo-gravitation weight loss field trip plan!

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Touch the Sun at Chabot Space & Science Center

Touch the Sun at Chabot Space & Science Center

Just in time for the imminent event of Solar Maximum, Chabot Space & Science Center is opening a new solar exhibition that features the latest in stunning ultraviolet satellite imagery from NASA's Solar Dynamics Observatory!

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Top KQED Science & QUEST Stories from 2012

Top KQED Science & QUEST Stories from 2012

From the Sacramento-San Joaquin Delta to killer whales, bicycles to cheese — it's been another year of diverse storytelling from the KQED Science and Environment team. Here's a round-up of the top 10 stories shared on our website (based on page views) that you've enjoyed in 2012.

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Still Curious About Mars in 2012

Still Curious About Mars in 2012

NASA is preparing to make a big announcement concerning Mars and a recent discovery by the SAM instrument on board the rover Curiosity, though has qualified the nature of the announcement to scientifically interesting, and not "earth-shaking" as the blogosphere has hyped it in speculation.

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The Leonids Are Back!

The Leonids Are Back!

The Leonids are back: the annual meteor shower of November that offers us the chance to see a bit of very ancient history disintegrate in a fiery second.

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Ten Random Astro-Facts to Entertain and Boggle

Ten Random Astro-Facts to Entertain and Boggle

I decided that instead of blogging on just one topic in astronomy, I'd blog about ten of them!

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Found In Space: Exoplanet Alpha Centauri Bb

Found In Space: Exoplanet Alpha Centauri Bb

If you've been keeping up on the now very frequent reports of new extrasolar planet discoveries, here's a news flash: an Earth-sized exoplanet has been found orbiting the nearest star!ei

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