Arctic blast will bring ''life-threatening'' temperatures and dump snow on 150 million Americans. But will it make the trees explode? (www.livescience.com)
Scientists may be approaching a ''fundamental breakthrough in cosmology and particle physics'', if dark matter and ''ghost particles'' can interact (www.livescience.com)
1,700-year-old Roman marching camps discovered in Germany — along with a multitude of artifacts like coins and the remnants of shoes (www.livescience.com)
Strange discovery offers ''missing link'' in planet formation: ''This fundamentally changes how we think about planetary systems'' (www.livescience.com)
One of the last woolly rhinos to walk Earth was eaten by a wolf pup — and scientists have now sequenced its genome from the undigested meat (www.livescience.com)
How to watch ''Pole to Pole with Will Smith'' — TV and streaming details as Oscar-winning actor blends adventure and scientific discovery (www.livescience.com)
Giant sunspot that triggered recent solar ''superstorm'' shot out nearly 1,000 flares and a secret X-rated explosion, record-breaking study reveals (www.livescience.com)
Science history: Sophie Germain, first woman to win France''s prestigious ''Grand Mathematics Prize'' is snubbed when tickets to award ceremony are ''lost in the mail'' — Jan. 9, 1816 (www.livescience.com)
1.5 million-year-old Homo erectus face was just reconstructed — and its mix of old and new traits is complicating the picture of human evolution (www.livescience.com)
Science history: Anthropologist sees the face of the ''Taung Child'' — and proves that Africa was the cradle of humanity — Dec. 23, 1924 (www.livescience.com)
Snakes'' mind-bending ''heat vision'' inspires scientists to build a 4K imaging system that could one day fit into your smartphone (www.livescience.com)
''This has re-written our understanding of Roman concrete manufacture'': Abandoned Pompeii worksite reveal how self-healing concrete was made (www.livescience.com)
Science history: Norwegian explorer wins the treacherous race to the South Pole, while British rival perishes along with his crew — Dec. 14, 1911 (www.livescience.com)