UFO investigators see references to rocket ships, aliens and astronauts that go back to the days when humans first put chisel and paintbrush to rock. More than 6,000 years later, objects that are unidentified — at least at first — continue to appear in the skies and generate buzz.
Archive for January, 2010
The first vertebrates to walk the Earth emerged from the sea almost 20 million years earlier than previously thought, say scientists who have discovered footprints from an 8-foot-long (2.4-meter-long) prehistoric creature.
Dozens of the 395-million-year-old fossil footprints were recently discovered on a former marine tidal flat or lagoon in southeastern Poland.
Since 2006, a high-resolution camera on NASA’s Mars Reconnaissance Orbiter has delighted scientists and space enthusiasts with images of the Red Planet in never-before-seen detail. We asked members of the science team working on the High Resolution Imaging Science Experiment, or HiRISE, to pick some of their favorites.
Hundreds of circles, squares, and other geometric shapes once hidden by forest hint at a previously unknown ancient society that flourished in the Amazon, a new study says.
Satellite images of the upper Amazon Basin taken since 1999 have revealed more than 200 geometric earthworks spanning a distance greater than 155 miles (250 kilometers).