After water quality improves, scientists find sea turtles in Brazil get healthier
Titanic expedition yields lost bronze statue, high-resolution photos and other discoveries
Hailstones may get bigger as the climate warms — bringing higher insurance costs
This company wants to reinvent the space rocket — as a space plane
How do you get a grumpy 4-ton elephant to a new home 120 miles away? Call the elephant movers
Christa McAuliffe, still pioneering, is first woman with a statue on New Hampshire capitol grounds
Most human embryos naturally die after conception – restrictive abortion laws fail to take this embryo loss into account
Weird mystery waves that baffle scientists may be 'everywhere' inside Earth's mantle
