Analysis of plant fossils found in Spain appear to predate those of the previous contender for the world's oldest flower.
An APA study claims to prove a definitive link between violent video games and aggressive behavior, but its limited implications mean the debate is far from settled.
Images from Cassini's final up-close flyby of Saturn's moon Dione should start arriving in a few days. In the meantime, here's a glimpse of other lunar views the robotic space craft has beamed back to Earth.
The space agency's Mars Reconnaissance Orbiter first launched from Cape Canaveral, Fla., on August 10, 2005. The orbiter has sent back a plethora of data, but NASA has even more ambitious goals for future exploration of the Red Planet.
Footprints left on a beach 142 million years ago adds more evidence to the hypothesis that some dinosaur species sometimes socialized with each other, according to new fossil analysis.