Twenty years ago, astronomers witnessed one of the brightest stellar explosions in more than 400 years. The titanic supernova, called SN 1987A, blazed with the power of 100 million suns for several months following its discovery ...
Nearly 300 students were spellbound at an Ohio theater when astronaut and former U.S. Sen. John Glenn, D-Ohio, described his 1962 space flight.
French scientists say an exchange of water vapor from the Atlantic to the Pacific might be an important feedback mechanism for abrupt climatic changes.
At any given time, most of the roughly 30,000 genes that constitute the human genome are inactive, or repressed, closed to the cellular machinery that transcribes genes into the proteins of the body. In an average cell, only ...
In a thought-provoking paper from the March issue of The Quarterly Review of Biology, Elliott Sober (University of Wisconsin) clearly discusses the problems with two standard criticisms of intelligent design: that it is unfalsifiable ...
U.S. scientists say waste cooking oil from restaurant deep fryers -- known as "yellow grease" -- could be transformed into therapeutic cosmetics.
The popularity of Wikipedia makes it important that users learn to use the online collaborative encyclopedia as a starting point for their research rather than as the final word, says a Purdue University communications expert.
A National Research Council study of the Colorado River Basin found that the area could suffer severe droughts as the climate warms and population grows.
The crew of U.S. space shuttle Atlantis met with reporters Thursday during the first day of their "dry countdown" leading to their March 15 launch.
Two International Space Station crewmembers successfully completed a 6-hour, 18-minute spacewalk Thursday despite a reported spacesuit malfunction.