NASA measures effects of biofuel on jet engines, environment
Virginia-based Orbital Sciences gets $75 million NASA astrophysics satellite contract
Male Coquerel's sifaka born at Maryland Zoo; the lemurs are endangered
University of Maryland entomologist Mike Raupp offers a few simple solutions to get rid of ants.
As bones of Tangier Island's past resurface, Chesapeake Bay islanders fret about their future
Whether online or in a store, shopping and emotions go hand in hand.
Obama salutes teachers at White House, honors National Teacher of the Year
Federal judge in Calif.: FDA must set new deadline to put delayed food safety reforms in place
Weather again delays test launch of private rocket designed to deliver space station supplies
Russian becomes world's oldest spacewalker at 59, loses hold of science tray, now space junk
Washington state science teacher wins national Teacher of the Year honor
Dinosaurs exhibit produced by Toronto museum to make US premiere in Cincinnati museum
Company contracted to deliver space station supplies launches unmanned test rocket in Va.
The moon may interfere with the Lyrid meteor shower, a celestial display known as "old faithful" that happens every spring.
Alexandria celebrates Earth Day with a fashion show, water exhibits and beautiful weather.
High winds force company to scrub launch of unmanned test rocket from Virginia
Cancer researchers from Pa., Ill., Ore. awarded $500K in one of richest prizes in medicine
Scientists: Earthquake sensors detected energy of Superstorm Sandy that hit East Coast
Perfect planets for life? Telescope sees distant worlds not too hot, not too cold, not too big
Fish story: DNA code of 'living fossil' promises insight into how fish began to move onto land