The deep basins under the oceans are carpeted with lava that spewed from submarine volcanoes and solidified. Scientists have solved the mystery of how, precisely, all that lava reaches the seafloor
New studies are revealing how the brain's convolutions take shape. The findings could aid the diagnosis and treatment of autism, schizophrenia and other mental disorders
Efficient electric plasma engines are propelling the next generation of space probes to the outer solar system
The black hole has a troublesome sibling, the naked singularity. Physicists have long thought--hoped--it could never exist. But could it?
- In Brief