Initially believed to be a cold, arid grassland, the stretch more resembled the modern-day Yukon-Kuskokwim floodplain.

The scientists used their data to chart where and when plant species emerged or disappeared across Siberia and Alaska.

Vladimir Putin's most formative event in his rule came 25 years ago when Kursk sank. The most deadliest naval incident of ...

Invasive species can disrupt or destroy habitat and food supplies for native animals and plants which can ripple out to ...