Before you can be the judge, you must see this video, then judge for yourself the complexities of the crop circle designs. Consider carefully before jumping to either conclusion. Is it really possible to reproduce this effect with some simple answer?

NASA's MESSENGER spacecraft flew past Mercury and photographed a broad swath of never-before-seen terrain. The first of more than 1,200 high-resolution images are arriving back at Earth now.

Experts from the University of Bristol are to attempt to accurately date prehistoric caves.

Astronomers have been thrown into a quandary after discovering a Jupiter-sized object which is so exotic they're unsure whether it is actually planet or a failed star.

In case you missed the news, the $700B bailout included tax credits for renewable energy industries. So what are the greenest bits of the bill and what does it mean for renewable energy companies? Also, where is all that glorious cash coming from?

You may already know how food manufacture contributes to global warming--it's had its fair share of coverage lately, though the actual numbers have varied. In 2007, climate change experts pegged agriculture as producing 10 to 12 percent of global emissions

Homeland Security is now using a cyberwar program known as 'Einstein' to defend against infiltration of our computer and Internet grid access. Now being tested is Einstein 2.0 for better protection. Efforts are underway to create Einstein 3.0 for attacks.

Astronomers who count sunspots have announced that 2008 is now the "blankest year" of the Space Age.

During the worst apocalypse the planet has ever known, somehow, life found a way to survive. But how?

NASA's Messenger spacecraft is due to perform its second of three flybys of Mercury early Monday, sending back photos of parts of the planet that have never been photographed before.