Dakota Access has symbolic significance for those who remain encamped
Science is often murkier than political activists would like
Massive airship debuts with a few bumps
NASA has lost track of hundreds of rocks brought back by the Apollo missions
Even secular scientists are beginning to admit the Darwinian assumption of life on other planets may be little more than wishful thinking
How neo-Darwinians lost their marbles
Robotic vacuum makes apple picking a breeze
Ideas about humanity have consequences, survey shows
Ruling denies parents’ request for a delay to a controversial law
Land-use disputes arise on the road to energy independence