The astronauts are now on a roughly 17-hour voyage back to Earth. Follow live coverage of their journey as hatches are closed on the Dragon and the space station. From left, NASA astronaut Suni ...

China placed export restrictions on rare earth elements on Friday as part of its sweeping response to U.S. President Donald ...

The world is hungry for renewable sources of energy, which has led some scientists to ask the question: what about the rotation of the Earth? A new study reports that researchers have successfully ...