Footprints of a baby Apatosaurus, roughly the size of a pug dog, were spotted in the foothills near Denver.
Tuition at four-year public universities rose again this year, outpacing inflation, according to a report released Thursday by The College Board. Federal aid to states and students softens the bite.
As firms prepare to launch the space tourism business, one study warns that the soot from the suborbital crafts' hybrid rocket motors could collect in the stratosphere and warm the poles.
As space tourism increases, the soot and carbon dioxide emitted from rockets will contribute to climate change, new computer models predict.
At a conference that included the US, Canada, Denmark, and Norway, Russian Prime Minister Vladimir Putin said the area should be a 'zone of peace.' But Russia is bolstering its claim to a large tract of the Arctic seabed.
A new paper suggests that an area near the Red Sea area could have had favorable characteristics for 'wind setdown' some 3,000 years ago.
So far, more than 6,400 acres have burned, destroying at least 169 homes in the Fourmile Canyon area five miles west of Boulder. Still, the size of wildfires in the West this year is relatively low.
A crew from PG&E works Aug. 22, 2012, to restore power to a rural subdivision overrun by fire by the Ponderosa Fire outside Manton, Calif.
2010 RF12 and another small asteroid that passed close to earth Wednesday were detected three days before their fly-by, illustrating the improving capability of asteroid-spotting telescopes.