The art of exoplanets

The moon hanging in the night sky sent Robert Hurt's mind into deep space—to a region some 40 light years away, in fact, where seven Earth-sized planets crowded close to a dim, red sun.

There could be snow on Mars – here's how that's possible

Given that there are ambitious plans to colonise Mars in the near future, it is surprising how much we still have to learn about what it would be like to actually live on the planet. Take the weather, for instance. We know ...

Arctic ice cap near 2007 record minimum: Russia

The polar ice cap in the Arctic has melted to near its 2007 record minimum level and in some areas is 50 percent smaller than average, Russia's environmental monitoring agency said Thursday.

Q&A: Europe's freezing Easter and global warming

(AP)—Is it Easter or Christmas? Many Europeans would be forgiven for being confused by winter's icy grip on lands that should be thawing in springtime temperatures by now.

Beetles, wildfire: Double threat in warming world

(AP) -- A veil of smoke settled over the forest in the shadow of the St. Elias Mountains, in a wilderness whose spruce trees stood tall and gray, a deathly gray even in the greenest heart of a Yukon summer.

Habitable water world exoplanets

There are currently about fifty known exoplanets whose diameters range from Mars-sized to several times the Earth's and which also reside within their stars' habitable zone – the orbital distance within which their surface ...

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