A study recently released by the University of British Columbia puts the annual chance that space rocket debris will re-enter the atmosphere and pass through busy airspace at 26%.

Some of us remember the first Earth Day, Saturday, April 22, 1970. We pulled old bedsprings and tires out of local rivers and urged a ban on phosphates that fueled weed growth in streams and ...

Our phones have already adjusted to the latest shift in the Earth's magnetic pole position, which appears to be constantly ...