Living Long Beneath the Sea
In the muck beneath the ocean floor, there’s something alive. Lots of somethings. But don’t worry: You’ll never see…
Category: Astronomy
Are we alone?
If aliens ever sent us a message, scientists hope to pick it up in a remote part of northern…
Bringing down the trash
The density of junk orbiting the Earth is at or near a critical value beyond which this man-made debris will…
Worlds beyond the solar system
Once upon a time — about 20 years ago — kids in school learned about nine planets: Mercury, Venus, Earth,…
Moon twinkles
If you ever travel to the moon, don’t forget to pack a heavy-duty umbrella. It’s not for downpours: With no…
Mapping the invisible
Most maps show places you can visit and how to get there. Most maps, however, were not made by astronomers…
Double sunsets on a distant world
If you were stranded on a recently discovered planet called Kepler-16b and looked up during the day, you’d see an…
Not Seeing Sunspots
The sun's next cycle is off to a slow start, say researchers at the National Solar Observatory in Tucson. This…
End of an Era
I wrote about the end of the space shuttle program for Science News for Kids. Here's the whole story.
Planets with screwy orbits
Ever since astronomers started finding planets orbiting other stars, they have been learning just how rich and peculiar the cosmos…