Seven of nine planetary boundaries are breached, all seven are worsening, and the models behind climate plans may be too ...

Add Yahoo as a preferred source to see more of our stories on Google. The SWIFT constellation, shown not to scale in this illustration, will fly farther than its predecessors to improve space weather ...

A new NOAA satellite is now giving Earth up to an hour of advance warning before a solar storm arrives, strengthening the early-warning system that protects power grids and satellites. According to ...

So much junk is filling Earth's orbit that collision avoidance has become a busy business. "We're talking about the dead satellites, the rocket bodies, the fairings, the wrenches, the gloves, and ...