China visits moon!

China visits moon!
As scientists find new surprises in Apollo’s 40-year-old rock collection, gravity studies by an over-achieving satellite duo provide a More »

Understanding the Russian asteroid

Understanding the Russian asteroid
The biggest asteroid to strike land in 105 years sheds light on where space rocks come from, how many more might hit us, and what we More »

Old and distant galaxy

Old and distant galaxy
A faint smudge — with the dark red insignia of super-old light — distinguishes the oldest galaxy ever seen. The old gal was active in More »

Comet explores sun!

Comet explores sun!

In 2011, a suicidal comet brushed the sun — showing a swirling magnetic field, the source of dangerous “space weather.” What did we More »

Ancient water = ancient habitat?

Ancient water = ancient habitat?

Geologic dating shows that water has been trapped more than 2 kilometers underground since before the Cambrian explosion. This water More »

Exploring a volcano

Exploring a volcano

Watch volcanologists track a giant volcanic field in Chile — site of the fastest uplift on Earth. Laguna del Maule could change our More »

Himalayan glaciers

Himalayan glaciers

A long debate about these giant ice streams has gyrated wildly. Now, satellite data show a moderate loss of mass for a recent six-year More »

Super-volcanoes!

Super-volcanoes!

Take a modern volcano, and multiply it by 1,000. That’s a super-volcano. Their rare eruptions change landscapes and weather. How long More »

Watching a continental split

detail of labelled, satellite view of Baja California and Sea of Cortez

Seismic study shows crust thinning as continent divides, giving another view of our restless planet, showing tectonic movement in More »

Running out of space

Tommy and his spacedog point up to Spaceship One

With space shuttles in museums, the near-term American plan to return to space relies on other countries or private firms. What are the More »

Ancient hole, black hole

Ancient hole, black hole

A new report on the ancient universe shows that most galaxies – even all of them – had a black hole at the center, much like modern More »

Climate: Simple = beautiful?

Climate: Simple = beautiful?

Earth’s orbit subtly changes over thousands of years, in complex cycles that affect the timing and delivery of sunlight to various More »