It’s a wonderful world — and universe — out there.

Earth

Environment
Gulf oil finds many paths

By Stephen OrnesSeptember 9, 2010
Environment
The oily Gulf

By Stephen OrnesJune 1, 2010
Life
The algae invasion

By Stephen OrnesMay 10, 2010
Climate
Explainer: Global warming and the greenhouse effect

Like the glass-walled greenhouses used to grow out-of-season plants, certain gases in Earth’s atmosphere trap the sun’s energy near the planet’s surface. This keeps Earth warm enough for life to flourish.

By Agnieszka BiskupMay 7, 2010
Environment
Indoor ozone stopper

By Stephen OrnesApril 13, 2010
Environment
When frog gender flips

By Stephen OrnesMarch 22, 2010
Earth
Earthquake shortens the day

By Stephen OrnesMarch 22, 2010
Earth
Watering the air

By Stephen OrnesFebruary 10, 2010
Environment
A global warming flap

By Stephen OrnesJanuary 19, 2010
Environment
Pollution at the ends of the Earth

By Douglas FoxJanuary 6, 2010
Environment
Watching out for vultures

By Stephen OrnesJanuary 5, 2010
Environment
Deck the halls with DCA

By Stephen OrnesDecember 9, 2009