By analyzing seismic waves from earthquakes from the 1960s, researchers from Peking University deduced that the Earth's inner core has experienced a bit of fluctuations in its movement over time.

For millions of years after the end-Permian mass extinction, the same few marine survivor species show up as fossils all over the planet. A new study reveals what drove this global biological ...

Under SpaceX CEO Elon Musk's vision, humans could then land on the Red Planet in 2029, though he admitted 2031 is "more ...